The document describes the development of an educational digital platform, interactive books, and a learning object repository as part of a project funded by the Greek Ministry of Education and Religious Affairs and co-funded by the European Union. It was developed by the Institute of Computer Technology & Publications "Diophantus". The document includes the names of the educational professionals involved in developing the content and provides information on licensing and permissions for use of the material.

2. Το παρόν αναπτύχθηκε στο πλαίσιο του έργου
«Ψηφιακή Εκπαιδευτική Πλατφόρμα, Διαδραστικά Βιβλία και Αποθετήριο Μαθησιακών Αντικειμένων»,
του Ε.Π. «Εκπαίδευση και Δια Βίου Μάθηση»
του Υπουργείου Παιδείας και Θρησκευμάτων (ΥΠΑΙΘ),
το οποίο συγχρηματοδοτείται από την Ευρωπαϊκή Ένωση (Ευρωπαϊκό Κοινωνικό Ταμείο) και το Ελληνικό Δημόσιο
στo πλαίσιo του ΕΣΠΑ και υλοποιείται από το
Ινστιτούτο Τεχνολογίας Υπολογιστών & Εκδόσεων «Διόφαντος» (ΙΤΥΕ).
Γλωσσάριο (Εκτυπώσιμη Μορφή)
Ομάδα ανάπτυξης
Ελένη Αργυρίου, Εκπαιδευτικός Αγγλικής
Κατελής Βίγκλας, Εκπαιδευτικός Αγγλικής
Γεωργία Γύφτουλα, Εκπαιδευτικός Αγγλικής
Κατερίνα Μακρή, Ειδικός Ηλεκτρονικής Μάθησης
Σούζαν Μουτσουρούφη, Εκπαιδευτικός Αγγλικής
Αντιγόνη Μπρατσόλη, Εκπαιδευτικός Αγγλικής
Σοφία Μυσιρλάκη, Εκπαιδευτικός Πληροφορικής
Κατερίνα Νικολάκη, Εκπαιδευτικός Αγγλικής
Χρυσάνθη Σωτηρίου, Εκπαιδευτικός Αγγλικής
Μαίρη Φρέντζου, Εκπαιδευτικός Αγγλικής
Βασίλης Χαρτζουλάκης, Εκπαιδευτικός Αγγλικής
Ψηφιοποίηση: Ιωάννης Μπήτρος, Ηλεκτρολόγος Μηχανικός και Τεχνολογίας Υπολογιστών
Συντονίστρια: Βασιλική Μητσικοπούλου, Αναπλήρωτρια Καθηγήτρια ΕΚΠΑ
Έκδοση/Ημερομηνία 1.0 / Απρίλιος 2013
Το παρόν διατίθεται στο κοινό για ελεύθερη χρήση, αναπαραγωγή, διανομή, παρουσίαση και
αξιοποίηση. Απαιτείται αναφορά του δημιουργού ή του χορηγού της άδειας. Δεν μπορεί να
χρησιμοποιηθεί για εμπορικούς σκοπούς. Εάν τροποποιηθεί ή δημιουργηθεί κάτι νέο βασισμένο σε αυτό,
αυτό που θα προκύψει θα μπορεί να διανεμηθεί μόνο με την ίδια ή παρόμοια άδεια (Creative Commons 3.0/CC BY - NC -SA
3.0).
Οι δημιουργοί έχουν παραχωρήσει στο ΙΤΥΕ και το ΥΠΑΙΘ το δικαίωμα ελεύθερης χρήσης, αξιοποίησης και διάθεσης του
υλικού με ηλεκτρονικά και έντυπα μέσα, στην Ελλάδα και στο Εξωτερικό και για απεριόριστο χρονικό διάστημα. Οι
δημιουργοί εγγυώνται ότι το παρόν δεν προσβάλλει δικαιώματα τρίτων και δεν χρησιμοποιεί μελέτες ή προϊόντα τρίτων
χωρίς νόμιμη άδεια αυτών.

3. Word Definition Example Synonym Antonym Derived forms
agree (v) to have or express the same
opinion about something as
someone else, συμφωνώ
Teenagers and their
parents rarely agree.
disagree agreement
collage (n) a picture made by sticking
other pictures, photographs,
cloth etc. onto a surface, κολάζ
My brother loves making
collages of old photos.
foreign (adj) belonging to or coming from
another country, not your own,
ξένος
We study English as a
foreign language.
Junior High School
(n)
a school in the US or Canada
for children who are 12 to 15
years old, Γυμνάσιο
In Junior high school
students have English
classes in levels.
notice board (n) a board on a wall where you
put advertisements and
announcements, πίνακας
ανακοινώσεων
Look at the lovely
posters on the
noticeboard!
pinboard,
bulletin board
result (n) the answers that are produced
by a scientific study or test,
αποτέλεσμα
Results suggest that diet
is very important.
consequence
outcome
similar (adj) almost the same, όμοιος We have similar tastes in
music.
alike different similarity
spell (v) to write down or tell someone
the letters which are used to
make a word, συλλαβίζω
How do you spell 'juice'?
bubble (speech
bubble) (n)
a circle around the words said
by someone in a cartoon,
'φούσκες' με κείμενα ομιλίας
στα κόμιξ
What does the character
say in the bubble? He
says hello.
dictionary (n) a book that gives a list of words
in alphabetical order and
explains their meanings in the
same language, or another
language, λεξικό
Use your dictionaries to
look up any words you
don't understand.
e-friend (n) an electronic friend, a friend we
have through our computer,
'ηλεκτρονικός' φίλος μέσω
υπολογιστή
Kostas has got many e-
friends in twitter.
e-programme (n) a programme we work online,
πρόγραμμα στον υπολογιστή
I’m blue (phr) sad and without hope,
θλιμμένος
I'm a bit blue because I
didn't do well in the test.
depressed
I’m green with envy
(phr)
wishing very much that you
had something that someone
else has, ζηλεύω πολύ
My friend was green
with envy when my
parents bought me a
new mobile phone.
key pal (n) someone with whom you often
exchange e-mail, φίλος με τον
οποίο ανταλλάσουμε
ηλεκτρονικά μηνύματα (emails)
I must write an email to
my new key pal.
look through (v) to read something quickly,
διαβάζω γρήγορα
I've looked through a
few catalogues
sign (n) a piece of paper, metal, or
wood with words or a picture
that gives people information,
warnings, or instructions,
πινακίδα
There is a no smoking
sign in the hospital.
stock (n) all the goods that are available
in a shop, στοκ, απόθεμα
εμπορευμάτων
We have a huge stock of
quality carpets on sale.
Unit 1 Τhink Teen! A Γυμνασίου Αρχάριοι
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4. Word Definition Example Synonym Antonym Derived forms
survey (n) a set of questions that you ask
a large number of people to
find out about their opinions,
έρευνα
The survey shows how
many pupils use the
internet.
poll
Unit 1 Τhink Teen! A Γυμνασίου Αρχάριοι
2

5. Unit 2 – Introduction
Word Definition Example Synonym Antonym Derived forms
belong (v) to be owned by, ανήκω The shirt belongs to me.
brochure (n) a thin book with pictures and
information, usually advertising
something, φυλλάδιο
This brochure from the hotel
has pictures of the rooms
and information about
prices.
camera (n) a device for taking
photographs, φωτογραφική
μηχανή
James took a picture of me
with his digital camera.
camp (n) an outdoor area where tents or
shelters are set up to live in for
a time, κατασκήνωση
We set up camp on a flat,
clear place in the forest.
club (n) a group of people who meet for
a special purpose, λέσχη
Are you coming to the Sports
Club tonight?
collection (n) a group of things of the same
type that someone has brought
together, συλλογή
Phil has a large collection of
stamps.
group, set
concert (n) a performance of music in front
of an audience, κοντσέρτο
We are going to a concert in
the city this weekend.
music
performance
conversation (n) talk between people, συνομιλία There is little time for
conversation at work.
communication,
dialogue,
discussion, talk
cool (adj) (informal) great; good, πολύ
ωραίο
This game is really cool! great, nice
description (n) the act of telling about
something in detail, περιγραφή
She gave a good description
of the person who stole her
purse.
account
excite (v) to increase the feelings of; to
increase energy, εξάπτω
The first snow of the year
always excites children.
irritate,
provoke,
thrill
bore excited,
excitement,
exciting
literature (n) stories, poems, plays, and other
written work that people
consider to have value in a
culture, λογοτεχνία
She studied the literature of
many countries before she
became a teacher.
match (v) to bring together because of
being equal or the same,
ταιριάζω
The object of the game is to
match pairs of cards.
neighbo rhood (n) an area in a city, town, or other
place that is different from
other areas in some way,
γειτονιά
There are many young
children in my
neighbourhood.
block
novel (n) a long printed story about
imaginary characters and
events, μυθιστόρημα
This novel is about people
who lived over a hundred
years ago.
Physical Education
(n)
classes at school in which
children do exercise and learn
to play sport, Φυσική Αγωγή
We have to wear sport shoes
during P.E
classes.profile (n)
a short description of
someone's life, work, character,
etc., προφίλ
I updated my profile on
Facebook.
souvenir (n) something kept as a reminder
of a place, event, or friendship,
ενθύμιο
He bought a glass egg as a
souvenir of the ostrich farm.
memento
thimble (n) a small cup worn to protect the
finger that pushes the needle
through cloth when sewing,
δαχτυλήθρα
A thimble is usually made of
a hard material such as metal
or plastic.
world (n) the earth and everyone in it,
κόσμος
I would like to travel around
the world someday.
earth,
globe
Τhink Teen! A Γυμνασίου Αρχάριοι
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6. Unit 2 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
athletics (n) (usually in plural) sports and
physical activities, αθλητισμός
She likes running. She is very
good at athletics.
exercise
basketball (n) a game played by two teams of
five people each, μπάσκετ
In basketball, you get points
when you throw the ball in
the net.
cycling (n) the use of bicycles for transport
or for sport, ποδηλασία
We did a lot of cycling in
Spain last year.
Ankara (n) Ankara is the capital of Turkey,
Άγκυρα
Ankara is an old city.
Beijing (n) Beijing is the capital of the
People's Republic of China,
Πεκίνο
Beijing is one of the biggest
cities in the world.
Biology (n) the study of how living things
grow, function, and develop,
Βιολογία
We studied how cells divide
in Biology class.
Canberra (n) Canberra is the capital city of
Australia, Καμπέρα
Canberra is home to many
Australian monuments and
institutions.
Chinese (adj) having to do with China, its
people or language, Κινέζος,
κινεζικός
The Chinese language is very
difficult.
coach (n) a person who trains and
teaches people in sports,
προπονητής
The football team has a new
coach.
draft (n) a piece of writing or a picture
that needs more work to be
finished, πρόχειρο, προσχέδιο
He made several changes to
the first draft.
drafter
fitness (n) the condition of being
physically strong and healthy,
καταλληλότητα, υγεία
I'm trying to improve my
fitness by walking to work.
French (adj) having to do with France, or its
people or language, Γάλλος,
γαλλικός
French cuisine is famous.
game (n) a form of play or sport having
certain rules and equipment for
play, παιχνίδι
We enjoyed a game of chess.
German (adj) having to do with Germany, or
its people or language,
Γερμανός, γερμανικός
The German language is
difficult.
gymnastics (n) physical exercises and activities
performed inside, γυμναστική.
Gymnastic exercises are
often done on a mat and
with special equipment such
as bars and ropes.
hate (v) to have a very strong bad
feeling toward something, μισώ
I hate it when you yell at me. like,
love
hated
hobby (n) an interest or activity that you
do for fun, χόμπι
Her favourite hobby is
making dolls.
hobbyist
hometown (n) the town or city that a person is
from, γενέτειρα
I live in Athens but Patras is
my hometown.
home
judo (n) a sport or way of fighting
without weapons, τζούντο
Judo does not allow blows or
throws that harm.
Junior High school
(n)
the first three grades of
Secondary Education, Γυμνάσιο
Junior High School students
are twelve to fifteen years
old.
leaflet (n) a printed piece of paper that is
usually given to people free of
charge, φυλλάδιο
This leaflet contains
information about the new
pizza restaurant.
brochure
map (n) a picture of an area of the earth
or sky drawn or printed on a
flat surface, χάρτης
This map shows the streets,
parks, and important
buildings in London.
Τhink Teen! A Γυμνασίου Αρχάριοι
4
Amsterdam is a city of the
Netherlands, Αμστερνταμ
Amsterdam has many canals.

7. Unit 2 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
Maths (n) the short form of mathematics,
μαθηματικά
You can find free maths
lessons on line.
mistake (n) a thought or action that is not
correct, λάθος
The teacher noticed a few
mistakes on the test.
error
nickname (n) a familiar or short form of a
proper name, such as "Bob" for
"Robert.", χαϊδευτικό όνομα
Bill is a nickname for William.
notice (n) a written warning, news, or sign
of something, ανακοίνωση
The notice said 'No Smoking'. sign,
warning
Paris (n) the capital of France, Παρίσι The Seine is a river in Paris.
Portuguese (adj) having to do with Portugal, or
its people or language,
Πορτογάλος, πορτογαλικά
Porto is a famous Portuguese
wine.
practice (n) the repeating of some activity
many times in order to become
good at it, εξάσκηση
"Practice makes perfect" is
an old saying.
training
rhythmic gym (n) a kind of gymnastics, ρυθμική Very tall girls are not good
candidates for rhythmic
gymnastics.
Rio de Janeiro (n) Rio de Janeiro is a big city in
Brazil, Ρίο Τζανέιρο
The Rio de Janeiro carnival is
famous.
Russian (adj) having to do with Russia, its
people or language, Ρώσος,
ρωσικός
The Russian alphabet
contains 33 letters.
Spanish (adj) having to do with Spain, or its
people or language, Ισπανός,
ισπανικό
Flamenco is a Spanish dance.
sporty (adj) relating to sports, αθλητικός He wears fancy, sporty
shoes.
swimming (n) the activity of moving your
body through water, κολύμπι
Swimming is my favourite
sport.
twin (n) either of two children or
animals born at the same time
to one mother, δίδυμος
I did not know which twin
won the race, because they
look alike.
volleyball (n) a game in which two teams use
their hands to hit a ball over a
high net, βόλεϊ
In volleyball a team gets a
point when the ball hits the
ground in the other team's
court.
weightlifting (n) the action or sport of lifting
dumb bells or barbells, άρση
βαρών
Pirros Dimas is a famous
weightlifting athlete.
weightlifter
windsurfing (n) a sport in which a person
stands on a board to which a
sail is attached and sails
through the water by moving
the sail, ιστιοσανίδα
Kaklamanakis is a Gold &
Silver Olympic Medalist.
worry (v) to feel fear or anxiety, ανησυχώ I worry about my children
when they stay out late.
care worried,
worryingly
Τhink Teen! A Γυμνασίου Αρχάριοι
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8. Unit 2 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
adore (v) to love and admire very
strongly, λατρεύω
He adores his grandmother
and often brings her flowers.
worship despise,
detest,
hate
adoringly,
adorer,
adorable
ancient (adj) very old; from a long time ago,
αρχαίος
Rome is a city with many
ancient buildings.
brand-new,
new
artist (n) a person who works at or who
has skill at painting, music, or
any other form of art,
καλλιτέχνης
Artists are usually very
sensitive persons.
artistic
bite (v) to cut with the teeth, δαγκώνω That dog bites.
black (adj) having the colour of the night
sky, μαύρος
Black is the opposite of
white.
white blackish,
blackness
bookcase (n) a set of shelves for holding
books, βιβλιοθήκη
I have many books. I need to
buy a bookcase.
boot (n) a covering for the foot and
lower part of the leg, usually
made of leather or rubber,
μπότα
Cowboys usually wear boots.
bottle (n) a container with a narrow neck
used to hold or pour liquids,
μπουκάλι
I bought a bottle of milk at
the store.
brown (adj) having the color of coffee beans
or chocolate, καφέ
Coffee is dark brown.
bubble (n) a ball of air or other gas inside
another substance, φούσκα
Bubbles form in water when
it boils.
cloudy (adj) covered by clouds,
συννεφιασμένος
The sky is cloudy. It is going
to rain.
grey clear, sunny
collar (n) the part of a piece of clothing
that goes around the neck,
κολάρο
The boys had to wear a shirt
with a collar and a tie.
collarless
colour (n) a quality of light as our eyes see
it, χρώμα
Red, blue, and yellow are
colours.
coloured,
colourful
computer (n) an electronic machine that is
used to store, sort, and work
with information at a high
speed, υπολογιστής
My computer is old and very
slow.
cotton (n) a soft white fiber from a plant
that grows in warm parts of the
world, βαμβάκι
Cotton is used to make
thread and cloth.
crab (n) an animal with a wide, flat body
covered by a hard shell that
lives in the sea, κάβουρας
Crabs have ten legs.
different (adj) not the same, διαφορετικός Three different buses stop at
this corner.
alike,
equal,
same,
similar
differently
earring (n) a piece of jewellry worn on the
earlobe, σκουλαρίκι
Earrings are my favourite
jewellery.
fantastic (adj) excellent; wonderful,
φανταστικός
She is a fantastic dancer. excellent,
great
ordinary fantastical,
fantastically
figure (n) a number or other symbol in
writing that is not a letter of the
alphabet, ψηφίο
Write the amount in both
words and figures.
fur (n) the soft thick hair that covers
the bodies of certain animals
such as a bear or rabbit, γούνα
In winter, the bear's fur
becomes very thick.
furless
glasses (n) (plural) a short form of
eyeglasses, γυαλιά
We wear dark glasses in the
sun.
gold (adj) having the colour of the metal
gold or bright yellow, χρυσαφί
Gold shines in the sun.
green (adj) having the colour of grass or
young leaves, πράσινο
Green is a very calming
colour.
greenish
Τhink Teen! A Γυμνασίου Αρχάριοι
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9. Unit 2 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
grey (adj) having the colour that results
from mixing black and white,
γκρι
The sky is grey. greyish
horrible (adj) causing a feeling of fear or
horror, τρομερός
She had a horrible dream. horribly
hot (adj) holding or giving off great heat,
ζεστός
The hot soup was delicious. cold hotly
huge (adj) very large in size or amount,
τεράστιος
He is a huge man. great,
enormous
tiny hugely
intelligent (adj) able to learn and understand
things easily, έξυπνος, ευφυής
My son is intelligent and
does well in school.
bright,
clever
dumb,
stupid
intelligently
leather (n) material made from the skin of
an animal, δέρμα
People make shoes, bags,
and many other things from
leather.
long (adj) covering a great distance or
time, μακρύς
There was a long line at the
post office.
slow brief,
short
lovely (adj) beautiful in appearance,
όμορφος
Mom looked lovely in her
new dress
beautiful horrible,
ugly
loveliness
memory (n) the ability to remember
information or experiences,
μνήμη
She has a good memory for
numbers.
memorable,
memorably
modern (adj) having to do with the present
or current times, μοντέρνος
Modern computers are
smaller and faster than old
computers.
contemporary,
current
old, past modernity
mommy (n) (informal) mum, mother;
mama, μαμά
Mommy is the first word
babies say.
music band (n) a group of people who play
music together, μουσική
μπάντα
My brother plays guitar in
the school band.
pair (n) two things that are the same
and are used together, ζευγάρι
I bought a new pair of shoes
yesterday.
pink (adj) having the colour that results
from mixing red and white
substances, ροζ
Pink is considered a colour
for girls.
pinkish
plant (n) a living thing that has leaves
and has roots that usually grow
in the earth, φυτό
I have many plants growing
in my garden.
plantlike
plastic (n) an artificial substance made
from certain kinds of chemicals
that can be shaped when soft,
πλαστικό
Many toys are made out of
plastic.
possession (n) something that is owned,
ιδιοκτησία
I have many possessions that
I don't really need.
goods,
property
puppy (n) a young dog, κουτάβι My father bought me a
puppy to keep me company.
puppyish
quite (adv) completely; in full, εντελώς She is not quite done with
breakfast.
rare (adj) not often found or seen; not
common, σπάνιος
Her necklace contained rare
jewels.
unusual common
real (adj) actual or true, πραγματικός Dinosaurs were real, even
though they no longer exist.
actual,
concrete,
true
imaginary,
unreal
rim (n) the edge or border of
something round or circular,
χείλος
I cut myself on the broken
rim of the glass.
edge, lip,
margin, ring
scarcely (adv) almost not; just barely, μόλις I was so happy that I could
scarcely speak.
barely, hardly,
just
far
set (v) to put in a particular place,
τοποθετώ
Rebecca set the glass on the
table.
lay, place,
put
sharp (adj) having a thin edge or a fine
point for cutting, κοφτερός
Use a sharp knife to cut the
meat.
dull sharply,
sharpness
shell (n) the hard outer covering around
a bird's egg, a nut, or the body
of some animals, κέλυφος
Crack the shell and put the
egg into the pan.
shell-like
Τhink Teen! A Γυμνασίου Αρχάριοι
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10. Unit 2 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
short (adj) not long in size or time,
σύντομος
I'll be at the office for only a
short time this morning.
brief long shortness
steel (n) a hard, strong metal made by
mixing iron and another metal,
ατσάλι
It is used to make machines,
cars, tools, and many other
things.
stone (n) hard material like rock, πέτρα This old building is made of
stone.
rock stonelike
stripe (n) a line of color that is different in
colour from the area around it,
ρίγα
The Greek flag has nine
stripes.
teeth (n) plural of tooth, δόντια I brush my teeth every day.
thin (adj) not thick, λεπτός It's dangerous to walk on
thin ice.
fine plump,
thick
thinly,
thinness
tiny (adj) very small, πολύ μικρός This kitten is tiny. miniature huge,
enormous,
gigantic
tooth (n) one of the hard white objects in
the mouth, which are used for
biting and chewing, δόντι
I had to have a tooth taken out.
TV set (n) short form for television set,
τηλεόραση
I bought a new TV set.
ugly (adj) not pleasant to look at,
άσχημος
The accident caused an ugly
scar on his face.
beautiful,
handsome,
lovely,
pretty
ugliness
weather (n) the conditions in the air above
the Earth such as wind, rain or
temperature, καιρός
I don't like this hot weather!
white (adj) having the color of clean snow,
άσπρος
The clouds are white in the
clear blue sky.
black whiteness
wooden (adj) made of wood, ξύλινος The wooden staircase creaks.
youngster (n) a young person, νεαρός The playground is full of
youngsters every Saturday
morning.
Τhink Teen! A Γυμνασίου Αρχάριοι
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11. Unit 2 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
architecture (n) the act or process of designing
buildings, or the profession of
an architect, αρχιτεκτονική
Ancient Roman architecture
adopted certain aspects of
Ancient Greek architecture
and created a new
architectural style.
architectural,
architecturally
art (n) the making of objects, images,
music, etc. that are beautiful or
that express feelings, τέχνη
Music, films, written works,
and paintings are examples
of art.
block of flats (exp) a large building that is divided
into apartments, πολυκατοικία
A luxurious block of flats has
been built next to my house.
cassette recorder
(n)
a machine that can play and
record cassettes, κασετόφωνο
When mp3 players appeared
cassette recorders started
disappearing.
centre (n) a central place of activity that
many people come to from
different places, κέντρο
We went to the shopping
centre on Saturday.
outskirts,
suburbs
central,
centred
church (n) a building used for public
religious services, εκκλησία
The bell rang in the church
tower.
cinema (n) a place where people pay to
watch films, κινηματογράφος
There are two cinemas in
town.
movie,
theater
cinematic
craft (n) an activity that requires skill
with the hands, χειροτεχνία
It takes many years to learn
the craft of a good carpenter.
drawing (n) a picture or design made with a
pen, pencil, or other writing
tool, ζωγραφική
That's a beautiful drawing of
your house.
design,
picture
exchange (v) to give something in return for
something else; trade,
ανταλλάζω
The two teams usually
exchange shirts after the
game.
trade exchangeable
hotel (n) a place with many rooms and
beds where people pay money
to sleep and eat meals,
ξενοδοχείο
Steve stayed in a hotel when
he was on vacation.
home,
residence
house (n) a building in which people live,
σπίτι
This neighbourhood has
houses, stores, and a school.
information (n) knowledge or facts about
something, πληροφορία
The newspaper is full of
information about the crisis.
informative
kiosk (n) a small building where things
such as sweets, drinks or
newspapers are sold through
an open window, περίπτερο
I am going to the kiosk to
buy a newspaper.
library (n) a place in a town or school
where you can borrow books,
βιβλιοθήκη
We have a municipal library
in our town.
librarian
live (adj) recorded or seen while it is
happening, ζωντανός
Live music.
local (adj) having to do with a particular
place such as a neighbourhood
or town, τοπικός
They called the local police
for help.
locally
museum (n) a building where objects that
are important to history, art, or
science are kept and shown to
the public, μουσείο
They enjoyed seeing the
paintings and statues in the
art museum.
office (n) a place where people do
business work, γραφείο
(κτήριο)
Mr. Fleck has a desk with a
computer in his office.
business
oral (adj) spoken, προφορικός The teacher asked me to give
an oral report.
orally
pottery (n) plates, bowls, pots, and other
items made of clay, κεραμική
Mexican pottery is famous.
present (v) to show, παρουσιάζω The theater presented a play
by Shakespeare.
display,
exhibit
presenter,
presentation
pub (n) (informal) a bar or tavern, παμπ
(είδος μπαρ)
We all met down at the pub
for a beer.
bar, saloon,
tavern
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12. Unit 2 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
task (n) a piece of work to be done;
duty, καθήκον
I have several tasks to
complete at work today.
business,
job, work
tradition (n) the beliefs and ways of doing
things that are passed down
from parents to children,
παράδοση
Many people celebrate
holidays by carrying out old
family traditions.
traditional
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13. Unit 2 – Self Assessment
Word Definition Example Synonym Antonym Derived forms
coin (n) a piece of metal money that is
small, flat, and round, νόμισμα
One cent, two cents, twenty
cents, fifty cents and one
euro are coins.
narrow (n) not wide, στενός The bus could not get
through that narrow street.
broad,
wide
narrowly,
narrowness
paraphrase (v) to say again something using
different words, παραφράζω
My grandma could not
understand the technical
terms and she asked my
father to paraphrase the
document.
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14. Unit 3 – Introduction
Word Definition Example Synonym Antonym Derived forms
activity (n) a specific thing that is done,
δραστηριότητα
My favourite activity at the
weekend is basketball.
act,
action,
event
advertisement (n) a public notice that tells people
about things to buy or things
that are happening, διαφήμιση
Did you see the
advertisement in the
newspaper for the new
movie?
ad,
commercial
article (n) a piece of writing in a
newspaper, magazine, or book,
άρθρο
Did you read the article
about the president's
speech?
essay
Australia (n) the smallest continent,
Αυστραλία
Australia is both a country
and a continent.
chef (n) a person whose job is to cook in
a restaurant, σεφ
She is a chef at the Hilton.
culture (n) the language, ideas, inventions,
and art of a particular group of
people, κουλτούρα
American culture has been
influenced by the cultures of
people from other countries.
cultural
daily (adj) happening or done every day,
καθημερινός
She is taking her daily walk
in the park.
Geography (n) the study of the earth's surface,
climate, land forms, and bodies
of water, γεωγραφία
Geography can be split
broadly into two main fields:
human geography and
physical geography
greeting (n) words or actions used to show
pleasure or respect when you
meet someone, χαιρετισμός
She waved a friendly
greeting as she got off the
bus.
interview (n) a conversation in which
someone asks questions of a
person in order to learn more
about that person, συνέντευξη
This magazine often
publishes interviews with
movie stars.
interviewee,
interviewer
job (n) work a person does every day
or every week and gets paid
for, εργασία
Does your job require you to
wear a uniform?
business,
position,
work
leisure (n) freedom from work; free time,
ελεύθερος χρόνος
She does not have much
leisure since she started her
new job.
work
online (adj) connected to a computer or
computer network,
συνδεδεμένος (διαδικτυακά)
Many newspapers have
online editions.
P.E. (abbr) an abbreviation for physical
education, Φυσική Αγωγή.
P.E. is a course taken during
primary and secondary
education.
project (n) a piece of planned work or an
activity which is finished over a
period of time and intended to
achieve a particular aim, σχέδιο
εργασίας
We're working on a new
project at work.
routine (n) a regular course of action,
ρουτίνα
Brushing her teeth is part of
her morning routine.
procedure routinely
subject (n) an area of knowledge which is
studied in school, μάθημα
My favourite subjects at
school are history and
geography.
Τhink Teen! A Γυμνασίου Αρχάριοι
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15. Unit 3 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
around (prep) somewhere near in time or
amount, γύρω
We have lunch around noon.
bicycle (n) a light vehicle with two wheels
that you sit on and move by
turning the two pedals,
ποδήλατο
My mother taught me how
to ride a bicycle.
bike (n) short for bicycle, ποδήλατο My brother is learning to ride
a bike.
biker
bit (n) a small amount or a little piece
of something, κομματάκι
I'd like just a bit of ice
cream.
particle,
piece,
trace
boring (adj) dull; having no interesting
features, βαρετός
The movie was so boring that
we fell asleep.
dull exciting,
interesting
break (n) a period of time when
something stops, διάλειμμα
We took a break from our
work to have lunch.
pause,
rest
breakfast (n) the first meal of the day, which
people usually eat in the
morning, πρωινό γεύμα
John never eats breakfast.
busy (adj) doing something or working on
something, πολυάσχολος
The mechanic is busy
putting the engine back
together.
active,
occupied,
working
busily
canteen (n) a place that sells food, drink,
and some personal supplies,
καντίνα
Canteens are found in
schools, factories, and
military bases.
city (n) a large and important town
where many people live and
work, πόλη
Edinburgh is one of the
largest cities in the United
Kingdom.
comics (n) a magazine, especially for
children, which contains a set
of stories told in pictures with a
small amount of writing, κόμικς
I enjoy reading comics.
crazy (adj) (informal) having a mental
illness, or acting as if you have
one, τρελός
Don't believe what she says.
She's crazy.
mad sane crazily,
craziness
dinner (n) the meal you eat in the
evening, δείπνο
In our family, we usually
have dinner around six
o'clock.
evening (n) the period between late
afternoon and night; the early
part of the night, βράδυ
I walk my dog every morning
and evening.
guess (v) to give an answer or opinion
without enough information to
be certain, μαντεύω
Can you guess how much
money is in this jar?
homework (n) schoolwork that is to be done
at home, σχολική εργασία στο
σπίτι
You're not allowed to watch
TV until you finish your
homework.
list (n) names, numbers, or things
placed one after another in a
written form, λίστα
I made a list of everything I
need to buy at the store.
lunch (n) a light meal eaten in the middle
of the day, μεσημεριανό γεύμα
What's for lunch today?
meal (v) an occasion when people
prepare and eat food at a
specific time, γεύμα
People usually eat three
meals a day.
mention (v) to speak about something
quickly, giving little detail or
using few words, αναφέρω
I'll mention your ideas to
Tom.
mum (n) an informal British word for
mother, μαμά
His mum told him to come
straight home.
o'clock (adv) of or according to the clock,
ακριβώς (για την ώρα)
Our train leaves at five
o'clock.
on foot (exp) walking, με τα πόδια Are you going by bicycle or
on foot?
once (adv) only one time, μια φορά I go swimming once a week.
Τhink Teen! A Γυμνασίου Αρχάριοι
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16. Unit 3 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
parent (n) a mother or a father, γονέας I'm going to meet Tom's
parents for the first time
tomorrow.
parenthood,
parental
publish (v) to prepare and print something
for the public to read, εκδίδω
I work for a company that
publishes magazines.
publisher
ride (v) to sit on a horse or a bicycle
and travel along on it
controlling its movements,
ιππεύω
I ride my bicycle to work. rider
Social Sciences (n) study of the social sciences and
humanities, Κοινωνικές
Επιστήμες
Social Sciences refer to a
plurality of fields outside the
natural sciences.
stepbrother (n) not your parents' son, but the
son of a person that one of
your parents has married,
ετεροθαλής αδελφός
I have two brothers and one
stepbrother.
stepfather (n) the man who is married to
someone's mother but who is
not their real father, πατριός
My mother and my
stepfather were very careful
to speak respectfully about
my biological father.
strategy (n) a method or plan of action that
you intend to use for some
purpose, στρατηγική
What is your strategy for
winning the game?
design,
plan
strategic
tidy (adj) neat and in order, τακτικός It's hard for some people to
keep their desk tidy.
neat,
orderly
disorderly,
messy,
sloppy
tidily,
tidiness
topic (n) a subject that you talk or write
about, θέμα
The environment is a popular
topic these days.
issue,
subject
twice (adv) two times, δύο φορές I called her twice, and she
answered the second time.
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17. Unit 3 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
Atlantic Ocean (n) the ocean bordered by Europe
and Africa on the east and
North and South America on
the west, Ατλαντικός Ωκεανός
More than one-fifth of the
Earth's surface is covered by
the Atlantic Ocean.
Australian (adj) having to do with Australia, its
people or language, Αυστραλός
Australian people are the
citizens of Australia.
best (adj) better than all the others, ο
καλύτερος
That's the best pie I've ever
eaten!
worst
equipment (n) the tools, machines, clothes etc
that you need to do a particular
job or activity, εξοπλισμός
We bought a lot of new
equipment for our hiking
trip, including a tent.
gear
health (n) the condition of one's body or
mind, υγεία
She was in bad health after
years of smoking.
condition healthy
Indonesia (n) a country in southeastern Asia
made up of a group of islands
stretching from the Indian
Ocean into the Pacific Ocean,
Ινδονησία
Jakarta is the capital of
Indonesia.
necessary (adj) something that you must have
or must do, αναγκαίος
Food and water are
necessary for life.
needed,
required
unnecessary
outback (n) remote, rural areas, especially
in Australia and New Zealand,
απομακρυσμένες αγροτικές
περιοχές.
The outback is home to a
diverse set of animal species
Pacific Ocean (n) the largest ocean in the world,
Ειρηνικός Ωκεανός
The Pacific Ocean lies
between North America and
Asia in the north, and South
America and Australia in the
south;
Science (n) the studying and learning about
Chemistry, Biology, and Physics,
Φυσικές Επιστήμες
In the Science classes we
usually do experiments.
scientist
technical (adj) needing special skills, τεχνικός They hired someone to deal
with the technical problems.
technically
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18. Unit 3 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
act (v) to perform in plays, movies, or
on television, παίζω (πχ
θέατρο)
She acted in the school play. actor,
actress
apple pie (n) a pie containing sliced apples
and sugar, μηλόπιτα
I have a great apple pie
recipe.
architect (n) a person who designs buildings
and makes sure they are built
correctly, αρχιτέκτων
Santiago Calatrava is a
famous Spanish architect.
author (n) the writer of a book, article,
play, etc., συγγραφέας
He is the author of two
books on Greek history.
build (v) to make something by joining
together different parts, κτίζω
Are you going to build a new
house?
builder,
building
clerk (n) a person who works in an
office, dealing with records or
performing general office
duties, υπάλληλος γραφείου
He started off as a junior
office clerk.
cook (v) to prepare food for eating by
using heat, μαγειρεύω
She cooked macaroni cheese
for dinner.
cooked,
cookery
dancer (n) someone who dances either as
a job or for pleasure, χορευτής
He's a dancer in the National
Ballet Company.
day off (exp) a day when you don't have to
work, ρεπό, μέρα αργίας
Thursday is his day off.
dessert (n) a sweet food served at the end
of a meal, επιδόρπιο
What would you like for
dessert, cake or ice cream?
dish (n) a certain kind of prepared food,
πιάτο
Tacos are a dish from
Mexico.
donkey (n) a mammal in the same family
as the horse, γάιδαρος
People use donkeys for
riding and to pull or carry
heavy loads.
driver (n) a person who drives, or a
person whose job is to drive,
οδηγός
He is a truck driver.
editor (n) a person whose job is to read
and correct pieces of writing,
εκδότης
The editor made few
changes to the author's new
book.
electricity (n) energy that is used for light and
heat and for making things
operate, ηλεκτρισμός
This small heater uses a lot
of electricity.
engine (n) a machine that uses energy
from a source such as gasoline
or electricity to do work,
μηχανή
Some new cars have electric
engines.
motor engineer
fresh (adj) just made, φρέσκος They enjoyed a fresh cup of
tea.
stale freshly,
freshness
guy (n) (informal) a boy or man, τύπος,
παιδί
What's that guy doing?
helping (n) an amount of food given to one
person at one time, μερίδα
A small helping of pasta.
idiom (n) a group of words in a fixed
order that have a particular
meaning, ιδιωματισμός
The phrase "fall out,"
meaning "have a
disagreement," is an idiom.
idiomatic
ingredient (n) one of the parts of a mixture,
συστατικό
Flour, sugar, eggs, and cocoa
are some ingredients of
chocolate cake.
kind (n) type, sort, είδος What kind of dog is that? make,
sort
lasagna (n) (plural lasagne) a pasta dish
made with wide, flat noodles,
tomatoes, and other
vegetables, cheese, and meat,
λαζάνια
There is a green version of
lasagna, coloured with
spinach.
Τhink Teen! A Γυμνασίου Αρχάριοι
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19. Unit 3 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
order (n) a request for goods to be made
or delivered, or the goods
themselves, παραγγελία
I usually put in a
supermarket order once a
week .
pilot (n) a person who flies an aircraft,
πιλότος
An airline pilot.
police (n) a department of a town, city, or
state government that protects
people and their property and
makes people obey laws,
αστυνομία
She called the police when
she saw someone break into
the bank.
profession (n) a job or type of work that needs
special training or study,
επάγγελμα
He entered the legal
profession after finishing law
school.
career,
occupation,
practice
professional
sail (v) to move over the water, πλέω The ship sailed across the
ocean.
sailor,
sailing
secretary (n) a person whose job is to write
letters, keep records, and
manage mail and do other
things in an office, γραμματέας
A secretary has many
administrative duties.
secretarial
serve (v) to offer or provide someone
food or drink, σερβίρω
The waiter served us dinner
and beverages.
wait on serving,
service
shop owner (n) one who owns or operates a
store or shop,
καταστηματάρχης
The corner shop owner
painted his shop pink.
spaghetti (n) a form of pasta in the shape of
long, thin strings, μακαρόνια
Spaghetti is made of
semolina or flour and water.
staff (n) a group or team formed to do a
particular job, προσωπικό
The office staff has lunch
together once a week.
crew, team
stress (n) the louder or longer quality of
your voice in one syllable of a
word with two or more
syllables, τονισμός
In the word "doctor," the
stress is on the first syllable.
emphasis stressless,
stressed
stuff (n) personal things, or any other
type of materials or objects,
πράγματα, αντικείμενα
Will you watch my stuff until
I get back?
belongings
subtitle (n) a title below the main title of a
written text, υπότιτλος
In books, a subtitle is usually
an explanatory title.
title (n) a name of something such as a
book, movie, or piece of music,
τίτλος
I can't remember the title of
the book.
vegetarian (n) a person who eats no meat or
fish but only vegetables, fruits,
nuts, and grains, χορτοφάγος
A vegetarian diet is derived
from plants, with or without
eggs or dairy.
vegetarianism
vet (n) someone whose job is to give
medical care to animals that
are ill, κτηνίατρος
He took his cat to the vet for
his annual checkup.
work (n) the use of energy and effort to
make or do something, δουλειά
It takes a lot of hard work to
build a house.
effort,
labour
leisure,
play
worker
revise (v) to study again something you
have already learned, κάνω
επανάληψη
We're revising for the test
tomorrow.
review revision
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20. Unit 4 – Introduction
Word Definition Example Synonym Antonym Derived forms
ability (n) the power or knowledge to do
something, ικανότητα
Most birds have the ability to
fly.
capacity,
power
able
bin (n) a container for waste,
σκουπιδοτενεκές
Please put those newspapers
in the bin. We can recycle
them.
danger (n) something that may harm or
injure a person, κίνδυνος
Firemen face many dangers
in their work.
peril safety dangerous
difference (n) the condition of not being the
same, διαφορά
What is the difference
between an alligator and a
crocodile?
encyclopedia (n) (or encyclopaedia), a book or
set of books that has
information on a wide variety
of subjects, εγκυκλοπαίδεια
I read an article about atoms
in the encyclopedia.
entry (n) a separate piece of information
that is recorded in a dictionary,
diary, or list, καταχώριση,
συμμετοχή
Dictionary entries are
arranged in alphabetical
order.
environment (n) everything that surrounds living
things and affects growth and
health; the natural world,
περιβάλλον
Taking care of the
environment is crucial for
the survival of all living
things.
environmental,
environmentally
fact (n) something said or known to be
true, γεγονός
It is a fact that water covers
most of the earth's surface.
habit (n) something that you often do,
almost without thinking about
it, συνήθεια
She has a habit of playing
with her hair when she's
nervous.
in the wild (exp) in natural conditions,
independent of humans, στην
άγρια φύση
Animals produce more young
in the wild than they do in
zoos.
pet (n) an animal people keep in their
home for company and
pleasure, κατοικίδιο
Joan has a kitten for a pet.
planet (n) a large object in outer space
that moves around the sun or
another star, πλανήτης
There are eight planets in our
solar system.
protect (v) to defend or keep safe from
danger, προστατεύω
The new law protects
workers against certain
dangers in factories.
conserve,
defend,
guard
harm protective
recycle (v) to put used things through a
process that allows them to be
used again, ανακυκλώνω
The city recycles paper, glass,
metal, and plastic.
recyclable,
recycling
rule (n) a law or direction that guides
behavior or action, κανόνας
He asked for help because
he couldn't understand the
grammatical rule.
law,
regulation
share (v) to have or use something at the
same time as someone else,
μοιράζομαι
Bill and I shared an
apartment for years.
wild (adj) describes plants or animals that
live or grow independently of
people, in natural conditions
and with natural characteristics,
άγριος
The forest is full of wild
flowers.
tame,
tamed
wildly,
wildness
wolf (n) a wild mammal that is related
to the dog and often travels
with its group to hunt other
animals, λύκος
Little red riding hood and the
wolf is a famous fairytale.
zoo (n) a place where animals are kept
for people to look at,
ζωολογικός κήπος
My children love to visit the
zoo to see the lions and
tigers.
Τhink Teen! A Γυμνασίου Αρχάριοι
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21. Unit 4 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
aid (n) help that is given to someone in
need, βοήθεια
After her operation, she was
glad to have the aid of her
neighbours.
help
aquarium (n) a tank where sea creatures and
plants are kept and displayed,
ενυδρείο
The cat sat before an
aquarium filled with tiny,
colourful fish.
cow (n) the adult female of cattle,
αγελάδα
People keep cows for their
milk, meat, and skin.
disabled (adj) not able to do certain things
because of a physical or mental
condition, ανάπηρος
Parking spaces close to the
store are for disabled people.
duck (n) a bird with a short neck and
large feet that lives in or near
water, πάπια
People hunt or keep ducks
for their meat.
first (adj) before all others in time or
place, πρώτος
She was the first person at
work today.
initial,
primary
last firstly
follow (v) to come or go after or behind,
ακολουθώ
He followed me down the
street.
follower
food (n) anything that living creatures
eat, τροφή
We can survive for quite a
long time without food but
not without water.
footprint (n) a mark pressed by a foot onto a
surface, such as a step in wet
sand or a print left by a muddy
shoe, αποτύπωμα
Geologists claim that they
have discovered giant
footprints.
fountain (n) a stream of water that is forced
up into the air through a small
hole, especially for decorative
effect, σιντριβάνι
Arabs had fountains in their
gardens.
gate (n) a part of a fence or outside wall
that is fixed at one side and
opens and closes like a door,
πύλη
The farmer opened the gate,
and the sheep came through.
gift (n) something you give to another
person, especially at christmas,
birthdays etc, δώρο
I gave her a gift after she
helped me move into my
new apartment.
present gifted
giraffe (n) a mammal with a very long
neck, long legs, and hooves,
καμηλοπάρδαλη
Giraffes live in Africa and eat
the tops of trees.
guidebook (n) a book that offers travel or
tourist information and maps,
τουριστικός οδηγός
Guidebooks include details
about monuments, hotels,
restaurants and activities
look after (phr v) to take care of someone,
φροντίζω
We look after Tom's cat
when he is away.
lost (adj) not able to be found, χαμένος They finally found their lost
puppy.
missing found
lost property (n) personal objects that have been
left by accident in public places,
απολεσθέντα αντικείμενα
When reporting lost
property, please provide a
detailed description.
main (adj) most important, κύριος The main entrance to the
building is on the High
Street.
primary,
principal
minor
penguin (n) a large water bird with webbed
feet that lives in colder regions
of the Southern Hemisphere,
πιγκουίνος
Penguins do not fly, but use
their wings like flippers for
swimming.
playground (n) an outdoor area where children
can play, παιδότοπος
Many playgrounds have
equipment such as swings
and slides.
post (n) the particular place where
someone works, θέση
I was ordered to remain at
my post until the last
customer had left.
sheep (n) an animal whose hair is used to
make wool, πρόβατο
People raise sheep for their
wool, milk, and meat.
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22. Unit 4 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
shop (n) a small store, κατάστημα There is a toy shop
downtown.
store
split (v) to divide along the length of
something, σχίζω
We split logs for the stove. chop,
cut
bring together,
unite
trail (n) a path or course through a
forest or other rural place,
μονοπάτι
The group followed the trail
through the forest to the top
of the mountain.
path
train (v) to prepare for a job, activity or
sport, by learning skills,
εκπαιδεύω
I'm trying to train my
boyfriend to do some
housework.
practise trainer,
training,
trainee
volunteer (n) a person who does something,
especially helping other people,
willingly and without being
paid, εθελοντής
The Day Care Centre is
relying on volunteers to run
the office and answer the
telephones.
website (n) information on the Internet
about a particular subject,
published by a person or
organization, ιστοσελίδα
For more information visit
our website www.minedu.gr
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23. Unit 4 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
Alaska (n) a state of the United States on
the northwestern coast of
North America, Αλάσκα
Alaska has more than three
million lakes.
attack (v) to begin to cause violent or
serious harm to, επιτίθεμαι
The cat attacked the mouse. assault defend attacker
bear (n) a large mammal with thick hair
and a short tail, αρκούδα
Bears eat plants and other
animals.
branch (n) a woody part of a tree or bush
that grows out from the trunk,
κλαδί
This is a very old tree with
enormous branches.
limb,
stick
carnivore (n) an animal that eats meat,
σαρκοφάγο
Lions and tigers are
carnivores.
hernivore carnivorous
cave (n) a natural hole in the earth,
σπηλιά
There's a wonderful cave in
Peania- you should see
stalagtites!
chimp (n) short form for the word
chimpanzee, συντομογραφία
για τη λέξη χιμπατζής
Chimps live in large multi-
male and multi-female social
groups called communities.
chimpanzee (n) a small, very intelligent African
ape with black or brown fur,
χιμπατζής
Chimpanzees make tools and
use them to acquire food.
climb (v) to use your legs or hands to go
up on the top of something,
σκαρφαλώνω
He dreams of climbing
Mount Olympus.
climbing,
climber
female (n) an individual that bears young
or produces eggs, θηλυκό
She was voted the best
female singer.
male
grass (n) a short green plant with narrow
pointed leaves that usually
covers fields, γρασίδι
I have to cut the grass in my
garden every two weeks.
herbivore (n) an animal that only eats plants,
χορτοφάγος
Cows are herbivores carnivore
hibernate (v) (of some animals) to spend the
winter sleeping, πέφτω σε
χειμερία νάρκη
Bears, snakes, and certain
other animals hibernate.
hibernation
hole (n) an empty space in an object,
usually with an opening to the
object's surface, τρύπα
She has a hole in her jeans. cavity,
opening
horn (n) a hard, often curved part that
grows from the top of the head
of some animals, κέρατο
Goats and rams are some
animals that have horns.
hunt (v) to find and kill animals for food
or sport, κυνηγώ
He hunts deer in the fall. hunter,
hunting
jaw (n) the lower part of your face
which moves when you open
your mouth, σαγόνι
My jaw was tired after my
dentist appointment.
leaf (n) a flat part of a plant or tree that
grows from the stem or branch,
φύλλο
Many leaves fell from the
trees during the storm.
leafless,
leafy
medicine (n) treatment for illness, φάρμακο I gave my baby some
medicine for his cough.
drug
omnivore (n) an animal that eats both plants
and animals, παμφάγο
Humans are omnivores.
pack (n) a group of animals such as
dogs, which live and/or hunt
together, αγέλη
Wolves live and hunt in
packs.
polar (adj) relating to the North or South
Pole or the areas around them,
αρκτικός
The polar bear is a bear with
white fur that lives near the
North Pole.
pup (n) the young of foxes, wolves,
seals, whales, and some other
mammals, κουτάβι
Seals give birth to one pup at
almost exact one-year
intervals.
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24. Unit 4 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
rhino (n) short form for the word
rhinoceros, ρινόκερος
In recent decades rhinos
have been hunted to the
point of near extinction.
shark (n) a large fish that has sharp teeth
and a triangular fin on its back
which can sometimes be seen
above the water, καρχαρίας
The movie 'Jaws' is about a
dangerous shark.
sign (n) a notice giving information,
directions, a warning, etc.,
πινακίδα
Drivers should always obey
road signs.
signed
sign language (n) a language that uses hand
movements instead of spoken
words, used by people who
cannot hear well, νοηματική
γλώσσα
He can communicate
perfectly by using sign
language.
snow (n) the small soft white pieces of
ice which sometimes fall from
the sky when it is cold, or the
white layer on the ground and
other surfaces which it forms,
χιόνι
There is snow in the garden. snowy
thick (adj) not thin, παχύς These boots have thick soles. thin thickly
vegetation (n) plants or plant life in a
particular place, βλάστηση
We walked through the
thick vegetation near the
river.
weigh (v) to measure how heavy a person
or thing is by using a scale,
ζυγίζω
The grocer weighed the
cheese.
weight
worrying (adj) making you feel unhappy and
afraid, ανήσυχος
It's a very worrying
condition.
worryingly
WWF (n) (World Wildlife Fund) The
leading organization in wildlife
conservation and endangered
species, Παγκόσμιο ταμείο για
τη φύση
WWF is protecting the future
of the earth and its
environment.
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25. Unit 4 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
adopt (v) to take another person's child
into your own family and legally
bring him or her up as your
own child, υιοθετώ
They have adopted a
beautiful girl.
adoption,
adopted
attached (adj) joined or connected, δεμένο
(πχ συναισθηματικά)
The children are very
attached to their
grandparents.
connected
buy (n) an act of buying, αγορά This car is a good buy.
can (n) a metal container for food,
κονσέρβα
I opened a can of soup.
eco- (pref) connected with the
environment, οικο-(λογικό)
I always buy eco-friendly
washing powder.
litter (n) pieces of waste paper and
other objects scattered around
a place, σκουπίδια
We cleaned up the litter
along the side of the road.
rubbish,
waste,
garbage
rubbish (n) material that is thrown away or
useless; garbage, σκουπίδι
Our rubbish is collected once
a week.
garbage, junk,
trash
sort (v) to put into groups, ταξινομώ Sort the clothes before you
wash them: white clothes in
one pile, dark clothes in
another.
group,
categorise
sorted
spree (n) a short period of doing an
enjoyable activity much more
than is usual, ξεφάντωμα
I went on a shopping spree
on Saturday.
fling
tap (v) to hit something gently, and
often repeatedly, especially
making short sharp noises,
χτυπώ ρυθμικά
I like to tap my feet to music.
collocation (n) a word or phrase which is often
used with another word or
phrase, in a way that sounds
correct to people who have
spoken the language all their
lives, ιδιωματική φράση
A bar of soap is a collocation.
dictionary (n) a book that lists the words of a
language, with information
about their meaning, spelling,
and pronunciation, λεξικό
Cambridge Dictionary is a
famous English language
dictionary.
ground (n) the earth's solid surface or the
soil covering it; land, έδαφος
The leaves fell to the ground. earth, land,
soil
highlight (v) to attract attention to or
emphasize something
important, δίνω έμφαση
The teacher highlighted the
spelling errors by circling
each one.
accent,
stress
vocabulary (n) the words of a language,
λεξιλόγιο
We studied English
vocabulary at school.
word list
waste (v) to use more or spend more
than what you really need; to
not use well, σπαταλώ
Don't waste so much paper!
It costs money.
economise wasted,
wasteful
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26. Unit 5 – Introduction
Word Definition Example Synonym Antonym Derived forms
action (n) something that is done for a
specific purpose, πράξη,
ενέργεια, δράση
The doctor's quick action
saved the child's life.
act, activity,
work
away (adv) in another direction or to
another place, μακριά
He walked away.
diary (n) a book in which you write
about what you have done,
your thoughts and feelings,
ημερολόγιο
I wrote in my diary every
diary when I was a teenager.
experience (n) something that a person has
done or lived through, εμπειρία
The war was a terrible
experience for everyone.
fan (n) a person who is very interested
in a sport or art, or in a person
who does that activity,
θαυμαστής
The football fan painted his
face in his team's colours.
supporter opponent
group (n) a number of people that are
put together, ομάδα
A large group of people
were standing in front of the
building.
band,
bunch,
collection
holiday (n) a day or period of freedom
from work or school; time off,
αργία
They enjoyed their summer
holiday.
vacation
lot (n) a large amount or number,
πλήθος
We bought a lot of food for
the party.
plenty
moment (n) a very short period of
time,στιγμή
I'll come in a moment. instant
postcard (n) a card, often with a photograph
or picture on one side, which
can be sent without an
envelope, καρτ ποστάλ
Donna sent me a postcard
from Italy.
relative (n) a member of your family,
συγγενής
All her relatives came to the
wedding.
song (n) usually a short piece of music
with words which are sung,
τραγούδι
A love song.
teen (n) (short form for teenager) a
young person between 13 and
19 years old, έφηβος
This radio station is aimed at
teenagers.
trip (n) the act of travelling from one
place to another, ταξίδι
I had to make two trips to
the store today.
drive, ride,
voyage
unusual (adj) not usual or ordinary,
ασυνήθιστος
She had never seen such an
unusual bird before.
odd, rare,
strange
common,
everyday,
normal,
usual
unusually
usually (adv) in the way that most often
happens, συνήθως
He usually wakes up at 6
o'clock.
normally rarely
weekend (n) the part of the week between
Friday evening and Sunday
evening, Σαββατοκύριακο
We went to my
grandmother's house over
the weekend.
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27. Unit 5 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
abseiling (n) to go down a steep slope by
holding on to a rope which is
fastened to the top of the
slope, κατάβαση ραπέλ
She likes abseiling down the
rock face.
bungee jumping (n) an activity that involves
jumping from a tall structure
while connected to a long rope
Bungee jumping is a
favourite sport among young
people.
experienced (adj) having skill or knowledge
because you have done
something many times,
έμπειρος
He is an experienced doctor. skillful novice,
inexperienced
instructor (n) a person whose job is to teach
people a practical skill; a
teacher, εκπαιδευτής
My ski instructor is German. teacher
rafting (n) rafting or white water rafting is
a challenging recreational
activity using an inflatable raft
to navigate strong currents of
water, ράφτιν
Rafting is usually done on
different degrees of rough
water, in order to thrill and
excite the raft passengers.
risky (adj) full of or involving risk;
dangerous, επικίνδυνος
He likes risky sports. hazardous safe
rollerblading (n) a popular activity, an
alternative to ice skating during
warm weather, είδος πατινάζ
Rollerblading is a very
rewarding sport.
scaling (n) to climb up a steep surface,
such as a wall or the side of a
mountain, often using special
equipment, αναρρίχηση
Scaling is done both for
recreation and
professionally.
surfing (n) the sport of riding on a wave on
a special board, σέρφιγκ
Waves suitable for surfing
are found primarily in the
ocean.
winter (n) the season of the year between
autumn and spring, χειμώνας
It usually snows in winter. wintry
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28. Unit 5 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
archery (n) the sport of shooting with a
bow and arrow, τοξοβολία
In the past, archery was used
for hunting, while today it is
a sports activity.
are you kidding?
(exp)
is this a joke? are you being
serious?, κοροϊδεύεις;
There's a 1,000 euro fee for
swimming. Are you kidding
me?
delicious (adj) having a pleasing taste or smell,
νόστιμος
This apple pie is delicious. tasty unpleasant deliciously,
deliciousness
departure (n) when a person or vehicle, etc.
leaves somewhere, αναχώρηση
The plane's departure was
delayed due to bad weather.
exit, going,
leave
arrival,
entrance,
entry,
return
fishing (n) the activity of catching or trying
to catch fish, ψάρεμα
My sister enjoys fishing in
the river.
raft (n) a flat platform made of
materials that can float, such as
wood or barrels filled with air,
σχεδία
Rafts are often used to carry
people or goods.
rest (n) a time of calm and quiet after
work or activity; break,
ανάπαυλα
I needed a rest after lifting
all those boxes.
break
relaxation
restful
skateboarding (n) the activity or sport of riding a
skateboard, πατινάζ με σανίδα
Skateboarding is a modern
recreational activity.
spend (v) to use time doing something or
being somewhere, ξοδεύω
I spend all my time at the
beach in the summer.
summer (n) the season of the year between
spring and autumn, καλοκαίρι
Schools are closed in the
summer.
tour (n) a visit to a place with a person
who shows you the important
or interesting things, περιοδεία,
ταξίδι, γύρος
We took a tour of the
museum.
whenever (con) at any time, οποτεδήποτε I am ready whenever you
are.
year book (n) a book published every year by
a school or other organization,
that gives various facts about
the events and achievements of
the previous or present year,
ετήσια επετειακή έκδοση
All American and Canadian
high schools publish year
books.
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29. Unit 5 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
abroad (adv) in or to another country, στο
εξωτερικό
We lived abroad for two
years.
cloth (n) a type of woven material,
ύφασμα
She wears a coat made of
cloth, not fur.
fabric,
material,
textile
comment (n) something that you say or write
that expresses your opinion,
σχόλιο
He read my essay and made
a few comments.
observation,
remark
cosy (adj) warm and snug in a
comfortable way, άνετος
I feel safe when I fall asleep
in my cosy bed.
comfortable cosily,
cosiness
crockery (n) cups, plates, bowls, etc., used
to serve food and drink,
especially made of china,
πιατικά
This house is fully furnished
and includes crockery,
cutlery and bed linen.
folks (n) (informal, plural) people,
especially those of a particular
group or type, άνθρωποι
My neighbours are really
nice folks.
guitar (n) a musical instrument with six
strings and a long neck which is
usually made of wood, κιθάρα
You play a guitar by plucking
on the strings.
Japanese (adj) having to do with Japan, or its
people or language, Ιάπωνας,
ιαπωνικός
Haiku is a very short form of
Japanese poetry.
lyrics (n) (plural) the words to a song,
στίχοι τραγουδιού
When my sister and I write
songs together, she writes
the music, and I write the
lyrics.
mag (n) (informal) magazine, περιοδικό I love reading glossy
magazines, especially fashion
ones.
magazine (n) a type of thin book with large
pages and a paper cover which
contains articles and
photographs and is published
every week or month,
περιοδικό
She has written articles for
science magazines.
nationality (n) belonging to a particular nation
by having been born there or by
becoming a citizen, εθνικότητα.
My grandfather's nationality
was Mexican.
opinion (n) what you think about
something or somebody, γνώμη
In my opinion, everyone
should vote in the election.
position,
view
pillow (n) a cloth bag filled with soft
material used for resting the
head while sleeping, μαξιλάρι
My favourite pillow is filled
with goose feathers.
sight (n) something that you see,
especially something
interesting, αξιοθέατο
We saw many beautiful
sights on our trip.
table tennis (n) a game which is played on a
large table where two or four
players hit a ball over a low net
using small, round bats, πινγκ
πονγκ
Table tennis is also known as
ping-pong in Greece.
tablecloth (n) a large piece of cloth which
covers a table during a meal
and protects or decorates it,
τραπεζομάντιλο
Some tablecloths are
designed as part of an overall
table setting, with
coordinating napkins.
tablespoon (n) a large spoon used for serving
or eating soup, κουτάλι της
σούπας
Use two tablespoons of olive
oil, one tablespoon of
vinegar and one teaspoon of
mustard to make a salad
dressing.
tap (n) a device that controls the flow
of liquid or gas from a pipe,
βρύση, κάνουλα
He turned on the tap and
began to wash the dishes.
faucet
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30. Unit 5 – Self Assessment
Word Definition Example Synonym Antonym Derived forms
adventurous (adj) willing to take risks in order to
find excitement, ριψοκίνδυνος
Her parents worried about
her because she had an
adventurous spirit.
bold,
daring
cautious,
timid
adventurously
ballad (n) a poem or song that tells a
story, μπαλάντα
He sang a sad ballad about
an old man who died alone.
band (n) a group of people who play
music together, μπάντα
My brother plays guitar in
the band.
musicians
music group
camera (n) a device for taking,
photographs
φωτογραφική μηχανή
He took some nice photos
with his new camera.
drum (n) an instrument for playing music
that has a hollow round shape
and a tight covering over an
open end, τύμπανο
You play a drum by hitting its
surface with your hands or
sticks.
drummer
flute (n) an instrument for playing
music. It is a long tube made of
metal or wood that you play by
blowing into a hole at one end,
φλάουτο
We met a young street child
who was playing a wooden
flute.
healthy (adj) having to do with a good mind
and body, υγιεινός
A good diet is important to a
healthy life.
fit, well ill, unhealthy,
sick
instrument (n) a thing used for making music,
μουσικό όργανο
Many children learn to play
a musical instrument in
school.
trumpet (n) a brass wind musical
instrument, τρομπέτα
Trumpets produce bright,
strong, piercing tones.
vocal (adj) having to do with or produced
by the voice, φωνητικός
The vocal cords are used to
produce speech sounds.
oral vocally
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31. Unit 6 – Introduction
Word Definition Example Synonym Antonym Derived forms
accessory (n) something added to something
else to make it more attractive
or useful, αξεσουάρ
Air conditioning is an
accessory in many cars.
discover (v) to find or see before anyone
else, ανακαλύπτω
He discovered oil on his
property.
come across,
find
discovery
healthy (adj) not sick, υγιής Maria is a normal, healthy
child.
fit,
well
unhealthy,
ill, sick
ideal (adj) perfect, the best possible,
ιδανικός
She is the ideal person for
the job.
right,
perfect
ideally
poll (n) the process of asking people
questions to discover what they
think about a subject,
δημοσκόπηση
A recent poll found that 60%
of the citizens support the
government.
opinion survey
survey (n) a set of questions that you ask a
large number of people in order
to find out about their opinions,
έρευνα
A recent survey showed that
58% of people do not
exercise enough.
uniform (n) a particular type of clothing
worn by all the members of a
group or organisation (e.g. the
police), στολή
The band uniform was brown
with red and white stripes.
gear
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32. Unit 6 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
add (v) to put something together with
something else, making the
whole thing bigger, προσθέτω
Mix the sugar and butter,
then add the eggs.
remove,
subtract
added,
addiction
advice (n) suggestions about what you
think someone should do,
συμβουλή
This book gives advice on
saving money.
suggestion
bar (n) a small block of something
solid, ράβδος
There were two bars of
chocolate on the table.
burger (n) meat that is cooked in a round,
flat shape and eaten between
round pieces of bread, μπιφτέκι
When my brother goes out,
he always orders a burger with
chips.
carton (of) (n) a container for food and drink
that is made from strong paper
or plastic, χαρτόκουτο, κουτί
I was so thirsty, I drank two
cartons of fruit juice.
cereal (n) a food that is made from grain
and eaten with milk, especially
in the morning, δημητριακό
I have a bowl of cereal and
an orange juice for breakfast.
chip (n) a long, thin piece of potato that
is cooked in oil, τηγανητή
πατάτα
Fish and chips is a popular
take-away meal in the
United Kingdom.
french fries
collocation (n) a word or phrase which is often
used with another word or
phrase, σύμφραση
'Commit a crime' is a typical
collocation in English.
countable (noun)
(adj)
a noun that can be used in the
singular and the plural,
μετρήσιμο ουσιαστικό
‘House’ is a countable noun.
crisp (n) a very thin flat round piece of
potato that is cooked in oil and
eaten cold, πατατάκι
He only had a packet of
crisps for lunch.
diet (n) the type of food that someone
usually eats, δίαιτα
His diet isn’t very healthy. dietician,
dietary
display (n) a performance or a collection of
things for people to look at,
έκθεση
Many old planes are on
display at the museum.
exhibition
explore (v) to go around a place where you
have never been in order to
find out what is there,
εξερευνώ
The best way to explore the
countryside is on foot.
explorer,
exploration
fat (n) an oily substance contained in
certain foods, λίπος
This cheese is relatively low
in fat.
fatty
fizzy drink (n) a sweet non-alcoholic drink
with bubbles of gas, αεριούχο
ποτό
Burgers, chips and fizzy
drinks are very popular
among children and
teenagers.
heart (n) the organ inside the chest that
sends blood around the body,
καρδιά
My heart was beating fast.
item (n) a single thing, especially one
thing in a list, group, or set of
things, αντικείμενο
This is the last item on the
list.
article,
piece
pie (n) a type of food made with meat,
vegetables, or fruit that is
covered in pastry and baked,
πίτα
Would you like another piece
of apple pie?
prefer (v) to like someone or something
more than another person or
thing, προτιμώ
I prefer dogs to cats. favour preference
questionnaire (n) a list of questions used for
gathering useful information
from people, ερωτηματολόγιο
They asked visitors to
complete a questionnaire.
slice (n) a thin flat piece of food cut
from a larger piece, φέτα,
κομμάτι
She made a sandwich with
two slices of bread, cheese
and ham.
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33. Unit 6 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
snack (n) a small meal eaten between
large meals, κολατσιό,
δεκατιανό
He had a snack of coffee
and cake.
tin (of) (n) a metal container in which food
is sold, κονσέρβα
I always have a few tins of
tomatoes in my food
cupboard.
can
total (n) the whole amount, σύνολο The total cost of the work
was €800.
whole,
sum
uncountable (noun)
(adj)
a noun that does not have a
plural form and cannot be used
with ‘a’ or ‘one’, μη μετρήσιμο
ουσιαστικό
‘Music’ is an uncountable
noun.
vegetable (n) a plant that you eat, for
example a potato, onion, etc,
λαχανικό
Vitamins A and C are found
in green vegetables.
weight (n) how heavy someone or
something is, βάρος
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There is a weight allowance
of 20 kg on most flights.

34. Unit 6 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
awful (adj) very bad; terrible; of poor
quality, απαίσιος
The food is awful at that
restaurant.
I wear comfortable shoes
when I go walking.
poor,
terrible
excellent
comfortable (adj) making you feel relaxed and
free from pain, άνετος
uncomfortable comfortably
costume (n) clothing worn to make one look
like some other person, animal,
or thing, φορεσιά, ενδυμασία,
αμφίεση
My brother wore a pirate
costume in the Carnival.
flashy (adj) looking too bright, big and
expensive in a way that is
intended to get attention and
admiration, φανταχτερός
He entered the restaurant
dressed in his flashy red
jacket.
fleece (n) a warm, soft jacket, or the
material used to make it,
ζακέτα
This red fleece really suits
you.
hair band (n) a curved plastic strip worn in
the hair, which fits closely over
the top of the head and behind
the ears, κορδέλα για τα μαλλιά
My sister has got a huge
collection of hair bands.
high heels (plur n) women’s shoes that are raised
high off the ground,
ψηλοτάκουνα παπούτσια
I’m going to wear high heels
tonight.
flat shoes
leggings (plur n) tight trousers that are made of
soft material that stretches and
are worn mainly by women,
κολάν
Leggings are very fashionable
nowadays.
look up (phr v) to look at a book or computer
in order to find information,
ψάχνω, ανατρέχω σε πηγές
I looked it up on the Internet.
pick on (phr v) to treat one person badly in a
group of people, πειράζω,
παρενοχλώ
He just started picking on me
for no reason.
annoy
scarf (n) a long piece of cloth worn
around the neck, φουλάρι
My mother always wears a
scarf with her coat.
strap (n) a thin piece of material used to
fasten two things together or to
carry something, λουρί
She needs a new school bag
because the strap broke.
suit (n) a set of clothes made of the
same material, usually including
a jacket with trousers or a skirt,
κοστούμι
She wore a dark blue suit.
sweater (n) a warm piece of clothing that
covers the top of your body,
πουλόβερ
I knitted a sweater for my
husband.
terrible (adj) very bad, τρομερός, φοβερός,
απαίσιος
The weather was terrible. awful,
nasty
excellent terribly
tight (adj) fitting the body very closely,
σφιχτός
I need new shoes because
these are too tight.
loose tightly
tracksuit (n) loose, comfortable clothes,
usually trousers and a top, for
exercising, αθλητική φόρμα
All students have to wear
tracksuits in the PE lesson.
trendy (adj) fashionable at the moment,
μοντέρνος, μοδάτος
She has some trendy new
glasses.
fashionable old-fashioned
vote (v) to choose someone or
something in an election or
meeting, ψηφίζω
My brother is too young to
vote.
voter
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35. Unit 6 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
border (n) the line that separates two
countries, σύνορο
The river lies on the border
between the US and Mexico.
continent (n) one of the seven main areas of
land on the Earth, such as Asia,
Africa, or Europe, ήπειρος
The continent of South
America has many countries,
including Brazil.
continental
cover (v) to spread over an area,
καλύπτω
The town covers an area of
25 square kilometres.
occupy
deep (adj) having a long distance from the
top to the bottom, βαθύς
The lake is very deep in the
middle.
shallow deeply
desert (n) a large, hot, dry area of land
with very few plants, έρημος
They were lost in the desert
for five days.
feature (n) an important part of
something, χαρακτηριστικό
This phone has some new
features.
characteristic
flow (v) If a liquid flows, it moves
somewhere in a smooth,
continuous way, ρέω, κυλώ
The river flows to the sea.
height (n) how tall a person, ύψος My height is 1.70 metres.
link (n) a connection between
documents or areas on the
Internet, σύνδεσμος
Click on this link to visit our
online bookstore.
ocean (n) one of the very large areas of
sea on the Earth's surface,
ωκεανός
The Pacific Ocean covers
around 30% of the Earth's
surface.
prize (n) a reward given to the person
who wins something, έπαθλο,
βραβείο
In this month's competition
you could win a prize worth
€3000.
rainforest (n) a forest with a lot of tall trees
where it rains a lot, τροπικό
δάσος
Rainforests are home to a
great variety of plants and
animals.
range (n) a line of hills or mountains,
οροσειρά
The highest mountain range
is in Asia.
salty (adj) having a lot of salt, αλμυρός This soup is too salty.
spot (n) a place, σημείο We found a good spot to
park the car.
location,
space
waterfall (n) a stream of water that falls
from a high place, often to a
pool below, καταρράκτης
Niagara Falls is undoubtedly
the most famous and most
visited waterfall in the world.
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36. Unit 7 – Introduction
Word Definition Example Synonym Antonym Derived forms
amazing (adj) very good, καταπληκτικός
My trip to Thailand was
really amazing.
awesome ordinary amazingly
astronaut (n)
someone who travels into
space, αστροναύτης
Neil Armstrong was the first
astronaut to step on the
moon.
blind (adj) not able to see, τυφλός
This is a school for blind
children.
favourite (adj)
your favourite person or thing
is the one that you like the
most, αγαπημένος
What's your favourite
colour?
preferred
head teacher (n)
the teacher who is in charge of
a school, διευθυντής σχολείου
The new head teacher is very
experienced.
hero (n)
the man or boy who is the main
character in a book, film, play
etc, ήρωας
The hero of her new novel is
a 13 year old boy.
protagonist heroic
imaginary (adj)
not real, existing only in the
mind, φανταστικός
Some children have an
imaginary friend.
fictitious real
lift (v)
to move something or someone
upwards into the air, υψώνω,
σηκώνω
Maria lifted up the bags
and put them in the car.
raise lower
review (n)
an article in a newspaper or
magazine that gives an opinion
about a new book, play, film
etc, κριτική
That film got a good review
in the newspaper.
space (n)
the area beyond the Earth
where the stars and planets
are, διάστημα
His dream is to travel into
space.
stare (v)
to look at someone or
something for a long time and
not move your eyes, κοιτάζω
επίμονα
Children often stare at
people who look different or
funny.
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37. Unit 7 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
accident (n)
something bad that happens
that is not wanted or planned,
and that often damages
someone, ατύχημα
She had an accident in the
kitchen.
accidental
board (n)
a piece of wood, plastic, etc. on
a wall where information can
be put, πίνακας
I put the notice up on the
board.
bright (adj) intelligent; smart, έξυπνος He’s a bright boy.
clever,
smart
dull,
stupid
brightness
code (n)
a set of letters, numbers, or
signs that are used instead of
ordinary words, κώδικας
The message was written in
code.
communicate (v)
to exchange information or
conversation with other people,
using words, signs, writing etc,
επικοινωνώ
I usually communicate with
him by email.
talk communication
deaf (adj) not able to hear, κουφός
Many deaf people use sign
language.
deafen,
deafening
disability (n)
a physical or mental condition
that makes it difficult for
someone to use a part of their
body properly, or to learn
normally, αναπηρία
She can't climb stairs
because of her disability.
dot (n)
a small, round mark or spot,
τελεία, κουκκίδα
This shirt is blue with white
dots.
mark,
spot
e.g. (abbr)
for example, from the Latin
expression exempli gratia, π.χ.,
για παράδειγμα
I can play quite a few musical
instruments, e.g., the flute,
the guitar, and the piano.
invent (v)
to make, design, or think of
something new, εφευρίσκω
Alexander Graham Bell
invented the telephone in
1876.
make up
inventor,
invention
mark (n)
a spot, line, or other shape that
can be seen on a surface,
σημάδι
The wet glass left a mark on
the table.
spot
punctuation (n)
the use of marks in writing so
that people can see when a
sentence begins and ends, that
something is a question, etc,
στίξη
It is important to use correct
punctuation when you write.
workshop (n)
a room or building where tools
and machines are used for
making or repairing things,
εργαστήριο
My father's workshop is in
the garage.
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38. Unit 7 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
alien (n)
a creature from a planet other
than Earth, εξωγήινος
She had a dream that some
friendly aliens took her away
in their spaceship.
anniversary (n)
he day on which an important
event happened in the past,
επέτειος
My wedding anniversary is
on the 12th of January.
attachment (n)
a document or file that is sent
with an email message,
επισυναπτόμενο αρχείο
I'll send the document as an
attachment.
collect (v)
to get things and keep them
together for a particular reason,
μαζεύω, συλλέγω
The teacher collected her
students' work.
collector,
collection
commander (n)
an officer who is in charge of a
military group or operation,
διοικητής κυβερνήτης
The commander of the
rebels was kiiled during a
military operation.
compound (adj)
a noun, adjective etc that is
made up of two or more words,
σύνθετη λέξη
Bodyguard is a compound
noun.
crew (n)
a team of people with special
skills who work together,
πλήρωμα
The plane crashed, killing
two of the crew and four
passengers.
staff,
team
destination (n)
the place where someone or
something is going, προορισμός
Spain is a very popular
tourist destination.
disaster (n)
a sudden event such as a flood,
storm, or accident which causes
great damage or suffering,
καταστροφή
An earthquake is an example
of a natural disaster.
catastrophe disastrous
eagle (n)
a large, strong bird that hunts
small animals and fish, αετός
Eagles normally build their
nests in tall trees or on high
cliffs.
explode (v)
to burst with a lot of force and
a loud noise, εκρήγνυμαι,
ανατινάσσομαι
One of the bombs did not
explode.
explosion,
explosives
giant (adj) very big, γιγαντιαίος
Tim found a giant spider in
the garage.
enormous,
great, huge
tiny
headline (n)
the title of an article,
επικεφαλίδα
That story was in the
headlines all over the world.
journalist (n)
someone whose job is writing
for newspapers, magazines,
television, or radio,
δημοσιογράφος
His brother is a well-known
journalist.
reporter
landing (n)
the act of bringing a plane to
the ground, προσγείωση
The plane had to make an
emergency landing in
London.
take off
leap (n) a big jump, άλμα
Technology has taken a great
leap forward.
lunar (adj)
relating to the moon or to
travel to the moon, σεληνιακός
The spacecraft made a lunar
landing.
mankind (n)
all people, considered as a
group, ανθρωπότητα
Pollution is an issue that is
important to mankind.
humanity
module (n)
a part of a spacecraft which can
operate independently of the
other parts, especially when
separate from them,
διαστημική κάψουλα
The landing of the lunar
module was successful.
presentation (n)
a talk giving information about
something, παρουσίαση
There was a great
presentation on wolves at
school.
put on (phr v)
to put clothes or shoes onto
your body, φορώ
You’d better put your coat
on, it’s cold outside.
take off
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39. Unit 7 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
scientist (n)
someone who studies science
or works in science,
επιστήμονας
Scientists have discovered a
new planet.
shuttle (n)
a bus, airplane, train, or
spacecraft that travels the same
route back and forth,
λεωφορείο
There's a shuttle service
from the city centre to the
airport.
solar (adj) relating to the sun, ηλιακός
This house gets electricity
from solar energy.
spaceship (n)
a vehicle used for travel in
space, διαστημόπλοιο
Scientists want to send a
spaceship to Mars.
spacesuit (n)
a special suit worn by
astronauts that lets them
breathe in outer space,
διαστημική στολή
A spacesuit is made up of
many parts.
tragedy (n)
a disaster; a very sad event,
τραγωδία
It was a tragedy when the
ship sank.
disaster,
accident
tragic
various (adj)
of many different kinds,
διάφορα, ποικίλα
The jacket is available in
various colours.
different,
miscellaneous
same,
alike
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40. Unit 7 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
advert (n)
short form of advertisement,
διαφήμιση
The Sunday newspapers are
full of adverts for cars.
author (n)
a person who writes books,
stories, plays, or other works,
συγγραφέας
Mark Twain is the author of
Tom Sawyer.
bestseller (n)
a new book or other product
that has sold a great number of
copies, βιβλίο ή άλλο προϊόν
που έχει κάνει μεγάλη
εμπορική επιτυχία
His new book went straight
to number one on the best-
seller list.
best-selling
cover (n)
the outer part of a book,
magazine, etc. that protects the
pages, εξώφυλλο
Her picture was on the cover
of the school magazine
crime (n)
an illegal activity or action,
έγκλημα, αδίκημα
Stealing is a crime. criminal
horror (n)
a strong feeling of shock or
fear, τρόμος
I love reading horror stories.
fear,
terror
horrible
lose your cool (phr)
to stop being calm in an
annoying or frightening
situation, χάνω την ψυχραιμία
μου
Ken finally lost his cool with
the photographer, and
threatened to hit him.
lose my
temper
main (adj) most important, κύριος
The main airport is 15 km
from the capital.
biggest,
primary
minor mainly
paperback (n)
a book that has a soft paper
cover, χαρτόδετο βιβλίο
Her first novel sold over
20,000 copies in paperback.
plot (n)
the things that happen in a
story, πλοκή
The plot was a little
confusing.
popular (adj)
liked by many people,
δημοφιλής
Coffee is probably the most
popular drink in the world.
famous
publisher (n)
a company or person who
prepares and prints books,
newspapers, magazines, etc,
εκδότης
The publishers liked his book
very much.
reporter (n)
someone whose job is to
discover information about
news events and describe them
on television, radio, or in a
newspaper, δημοσιογράφος
The reporter wrote an
interesting newspaper article
about our school.
journalist
scared (adj)
frightened or worried,
φοβισμένος
Tom is scared of heights.
spy (n)
someone who secretly tries to
find information about a
person, country, etc,
κατάσκοπος
The spy was arrested near
the central government
building.
stick (v)
to attach something to
something else using a
substance (e.g. glue), κολλώ
Someone had stuck posters
all over the walls.
attach
sticky,
sticker
succeed (v)
to have a good result; do well,
επιτυγχάνω, κατορθώνω
You must study hard to
succeed in school.
manage fail success
unfortunate (adj)
bad and causing problems,
ατυχής
She had an unfortunate
marriage two years ago.
unlucky lucky
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41. Unit 8 – Introduction
Word Definition Example Synonym Antonym Derived forms
beyond (prep)
continuing after a particular
time or date, πέρα, πάνω από
Not many people live beyond
the age of a hundred.
celebrity (n) a famous person, διασημότητα
He invited many celebrities
to his party.
curious (adj)
wanting to know or learn about
something, περίεργος
I was curious about his life in
India.
curiously
excursion (n)
a short journey usually made
for pleasure, often by a group
of people, εκδρομή
Next week we're going on an
excursion.
fixed (adj)
arranged or decided already
and not able to be changed,
σταθερός, αμετάβλητος
The classes begin and end at
fixed times.
steady changing
intention (n)
something that you want and
plan to do, πρόθεση
He went to college with the
intention of getting a degree.
aim, plan
proud (adj)
feeling very pleased about
something you own or
something you have done,
περήφανος
My daughter is proud of her
good grades.
sign (n)
in astrology, any of the twelve
symbols which represent parts
of the year, ζώδιο
"What sign are you?"
"Gemini."
suitable (adj)
acceptable or right for someone
or something, κατάλληλος
This film is suitable for
children.
appropriate,
proper, right
unsuitable suitably
tidy (v)
to make a place tidy, put in
order, τακτοποιώ
He tidied up his room before
going out.
arrange
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42. Unit 8 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
arrangement (n)
plans for how something will
happen, κάτι που έχουμε
κανονίσει
I made arrangements to
meet her on Saturday.
plan
boarding pass (n)
a piece of paper that you must
show to get on a plane or ship,
κάρτα επιβίβασης
He lost his boarding pass and
had to ask for a new one.
check-in (desk) (n)
the place at an airport where
you show your ticket so that
you can be told where you will
be sitting, η υπηρεσία στο
αεροδρόμιο που σου δίνει
θέση για το αεροπλάνο
A representative from the
tour company will meet you
at the check-in desk.
chess (n)
a game that two people play by
moving different pieces around
a board of black and white
squares, σκάκι
They meet fairly often to
play chess.
duty free (adj)
things that you can buy and
bring into a country without
paying tax, αφορολόγητα
He bought cigarettes and
chocolates from the airport
duty free shop.
illustrate (v)
to draw pictures for a book,
εικονογραφώ
Over a hundred diagrams,
tables and pictures illustrate
the book.
illustrated
luggage reclaim (n)
the place at an airport where
you collect your suitcases and
bags after a flight, χώρος
παραλαβής αποσκευών
After the plane landed, he
went to luggage reclaim to
collect his bags.
name day (n)
a special day celebrated each
year in honour of the particular
saint that a person is named
after, ονομαστική γιορτή
His name day and birthday
are on the same date.
ordinal (number) (n)
a number like 1st, 2nd, 3rd, 4th,
which shows the position of
something in a list of things,
τακτικό αριθμητικό
She was fifth in the race.
passenger (n)
someone who is travelling in a
vehicle but is not driving it,
επιβάτης
Neither the driver nor the
passengers were hurt in the
accident.
platform (n)
the area in a railway station
where you get on and off the
train, αποβάθρα
The train for London will
depart from platform 12.
porter (n)
a person whose job is to carry
baggage at a train station,
airport, or hotel, αχθοφόρος
He worked as a porter at a
luxurious hotel in Hawaii.
punt (n)
a long thin boat with a flat
bottom that you move by
pushing a long pole against the
bottom of the river, ρηχή
βάρκα με σταλίκι
The first punts are
traditionally associated with
the River Thames in England.
take turns (phr)
If two or more people take
turns, one person does
something, then another
person does something, etc,
εναλλάσσομαι
The children took turns
riding the bicycle.
underground (n)
a railway system under the
ground, υπόγειος
σιδηρόδρομος
The London Underground is
the oldest metro system in
the world.
metro
validate (v)
to prove acceptable, κυρώνω,
επικυρώνω
Many scientists plan to wait
until the results of the study
are validated by future
research.
authenticate,
certify, confirm
validation
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43. Unit 8 – Lesson 2
Word Definition Example Synonym Antonym Derived forms
actually (adv)
as a matter of fact; really, στην
πραγματικότητα, πραγματικά
Actually, on second
thoughts, I don't think I want
to go out tonight.
in fact,
really
adult (n)
a person or animal that has
finished growing and is not now
a child, ενήλικος
Some children find it difficult
to talk to adults.
grown - up
child adulthood
announce (v)
to tell people new information,
especially officially,
ανακοινώνω
The company has announced
plans to open six new stores.
bold (adj)
strong in colour or shape,
έντονος
Babies like bold colours.
clue (n)
some information which helps
you to find the answer to a
problem or mystery, ένδειξη,
ίχνος
Police are searching for clues
to the murder.
data (n)
information or facts about
something, δεδομένα, στοιχεία
Computers are used to store
large amounts of data.
excited (adj)
happy, interested, or hopeful
because something good has
happened or will happen,
ενθουσιασμένος
The children are getting
really excited about the
party.
thrilled bored
fab (adj)
extremely good, υπέροχος,
φανταστικός
I bought some fab jeans on
Saturday.
fantastic,
wonderful
helmet (n)
a hard hat that protects your
head, κράνος
You should wear a helmet
when you ride a bicycle.
include (v)
if one thing includes another,
the second thing is part of the
first, περιλαμβάνω
The price includes flights and
three nights
accommodation.
involve,
contain
exclude including
itinerary (n)
a detailed plan or route of a
journey, δρομολόγιο
The tour operator will
arrange transport and plan
your itinerary.
nervous (adj) worried and anxious, νευρικός
She’s very nervous about her
driving test.
anxious,
tense
calm
presenter (n)
someone who introduces a
radio or television programme,
παρουσιαστής
He is a news presenter in a
local television channel.
realistic (adj)
dealing with situations in a
practical way according to what
is actually possible, ρεαλιστικός
It's just not realistic to expect
a promotion so soon.
practical superficial realistically
seat belt (n)
a strap that you fasten across
your body when travelling in a
car or plane, ζώνη ασφαλείας
Children must always wear a
seat belt when travelling in a
car.
Τhink Teen! A Γυμνασίου Αρχάριοι
41

44. Unit 8 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
carry out (phr v)
do something that you have
said you will do,
πραγματοποιώ, υλοποιώ
The hospital is carrying out
tests to find out what’s
wrong with her.
achieve, do
catchy (adj)
pleasing and easy to remember,
(συνήθως για τίτλο ή όνομα)
ευχάριστο και εύκολο να το
θυμάται κάποιος
He was trying to find a
catchy title for the article.
command (n)
an order to do something,
διαταγή, εντολή
Start when I give the
command.
instruction,
order
crowded (adj)
too full of people or things,
γεμάτο με κόσμο
The train was very crowded,
and we had to stand.
packed
deserted,
empty
development (n)
when someone or something
grows, changes or becomes
better, εξέλιξη
There have been some major
developments in technology
recently.
dome (n)
a rounded roof or ceiling on a
room or building, θόλος,
τρούλος
The dome of St. Peter's
Basilica rises to a total height
of 136 metres.
dynamic (adj)
having a lot of ideas and
enthusiasm; energetic and
forceful, δυναμικός
He is a dynamic speaker.
active,
energetic,
forceful, lively,
strong, vital
weak dynamically
education (n)
the process of teaching and
learning, usually at school,
college, or university,
εκπαίδευση
More money should be spent
on education.
schooling educational
energetic (adj)
full of energy; active,
ενεργητικός
He is energetic when he's
had enough sleep.
active, alive,
dynamic,
enthusiastic
weary,
tired
energetically
entertainment (n)
things such as films, television,
performances etc that are
intended to amuse or interest
people, διασκέδαση,
ψυχαγωγία
The town provides a wide
choice of entertainment.
fashion (n)
a style of clothes, hair etc that
is popular at a particular time,
μόδα
Hats are in fashion again this
year.
fashionable
get along (phr v)
when two or more people like
each other and are friends, τα
πάω καλά
Helen and Mary don’t get
along.
heading (n)
words at the top of a piece of
writing that tell you its subject,
τίτλος, επικεφαλίδα
They organized all the
recipes under different
subject headings.
honest (adj)
someone who always tells the
truth, ειλικρινής, τίμιος
He has an honest face. right, truthful dishonest
imagine (v)
to make an idea or picture of
something in your mind,
φαντάζομαι
Can you imagine living on the
moon?
dream, think imagination
immediately (adv) right away; at once, αμέσως
She asked him to come home
immediately. at once
straight away
inventive (adj)
very good at thinking of new
and original ideas, εφευρετικός
His inventive ideas are
helping the business to grow.
clever, creative,
imaginative
join (v)
to do something together with
someone else, or as a group,
συμμετέχω, γίνομαι μέλος
I invited them to join us for a
glass of wine.
laugh at (phr v)
to show that you think
someone or something is
stupid, κοροϊδεύω
The other children laughed
at him because of his strange
clothes.
leader (n)
a person in control of a group,
country, or situation, αρχηγός,
ηγέτης
He is the new leader of the
political party.
captain, chief,
commander,
guide, head
follower leadership
lively (adj)
full of energy and interest,
ζωηρός, έντονος
It was a lively debate.
alive, dynamic,
playful, vital
lifeless,
dull
Τhink Teen! A Γυμνασίου Αρχάριοι
42

45. Unit 8 – Lesson 3
Word Definition Example Synonym Antonym Derived forms
mediate (v)
to talk to two separate people
or groups involved in a
disagreement to try to help
them to agree or find a solution
to their problems, μεσολαβώ
Negotiators were called in to
mediate between the two
sides.
mime (v)
to tell a story without speaking,
using movements of your hands
and body, μιμούμαι, παίζω
παντομίμα
He mimed playing a guitar. mimer
pantomime (n)
telling something by the use of
gesture, without words,
παντομίμα
We saw a great pantomime
last Christmas.
passage (n)
a short part of a book or
speech, απόσπασμα
She read a passage from the
novel.
excerpt, part
pollution (n)
damage caused to water, air,
etc. by bad substances or
waste, μόλυνση
The tests showed high levels
of pollution in the water.
predict (v)
to say what you think will
happen in the future,
προβλέπω
The general predicted an
easy victory.
forecast
predictable,
predictably,
predictability,
predictor
prove (v)
to show that something is true,
αποδεικνύω
You're wrong, and I can
prove it.
reaction (n)
something you say, feel, or do
because of something that has
happened, αντίδραση
What was his reaction to the
news?
reply, response
recognise (v)
to know someone or something
because you have seen, heard
or experienced them before,
αναγνωρίζω
I hadn't seen her for 20
years, but I recognized her
immediately.
safety (n)
when someone or something is
safe from danger or harm,
ασφάλεια
Sue wears a helmet for
safety when she rides her
bike.
protection,
security
danger,
jeopardy,
risk
seriously (adj)
very much or to a great degree,
σοβαρά
Smoking can seriously
damage your health.
share (v)
to have or use something with
other people, μοιράζομαι
We don't have enough books
so you'll have to share.
virtual reality (phr)
an environment produced by a
computer that looks and seems
real to the person experiencing
it, εικονική πραγματικότητα
My brother likes virtual
reality games.
within (prep)
before a particular period of
time has finished, εντός, μέσα
The ambulance arrived
within ten minutes.
Τhink Teen! A Γυμνασίου Αρχάριοι
43

46. Unit 8 – Self Assessment
Word Definition Example Synonym Antonym Derived forms
appendix (n)
a section at the end of a book
or magazine article that gives
more information, παράρτημα
All the pictures and
illustrations are in appendix
2.
appointment (n)
a time that you have arranged
to see someone, ραντεβού,
συνάντηση
Tom has an appointment
with the dentist.
behave (v)
to do or say things in a
particular way,
συμπεριφέρομαι
You’re behaving like a child!
fasten (v)
to close or attach something,
δένω, ασφαλίζω
Please keep your seat belts
fastened while the seat belt
light is on.
luxurious (adj)
very comfortable and
expensive, πολυτελής
He spent the weekend at a
luxurious hotel.
mobile (phone) (n)
a telephone that you can carry
everywhere with you, κινητό
τηλέφωνο
Have you got my mobile
number?
progress (n)
development and improvement
of skills, knowledge, etc,
πρόοδος
He has made good progress
in English this year.
set off (phr v)
to start a journey, αναχωρώ,
ξεκινώ για ταξίδι
What time are you setting off
tomorrow morning?
structure (n)
he way that parts of something
are arranged or put together,
δομή
A human cell is a
complicated structure.
Τhink Teen! A Γυμνασίου Αρχάριοι
44

47. Unit 9 – Lesson 1
Word Definition Example Synonym Antonym Derived forms
accompany (v)
to go to a place with someone,
συνοδεύω
She will accompany us to the
zoo.
escort, walk
announcement (n)
something that someone says
officially, giving new
information about something,
ανακοίνωση
The Prime Minister made an
unexpected announcement
this morning.
chewing gum (n)
a sweet that you keep in your
mouth and chew to get its
flavour, but which you do not
swallow, τσίχλα
Would you like a piece of
chewing gum?
century (n) a period of 100 years, αιώνας
The twenty-first century
began in the year 2001 and
will end in 2100.
creator (n)
someone who made or
invented a particular thing,
δημιουργός
He's the creator of a
successful cartoon series.
inventor
enlarge (v)
to make something become
bigger, μεγεθύνω, μεγαλώνω
I want to get this photo
enlarged.
expand,
increase
reduce
exhibition (n)
an event at which things such
as paintings are shown to the
public, έκθεση
There’s a new exhibition of
sculpture on at the city
gallery.
display
futuristic (adj)
something unusual and
modern, as if it belongs in the
future instead of the present,
φουτουριστικός
The futuristic sports stadium
is the pride of the city.
find out (phr v)
to get information about
something, ανακαλύπτω,
μαθαίνω
To find out more, visit our
website.
humorous (adj)
funny, or making you laugh,
χιουμοριστικός
The book is very humorous.
comical,
funny
serious
inspire (v)
to give someone an idea for a
book, painting, poem etc,
εμπνέω
This television drama was
inspired by a true story.
inspired,
inspiring
masterpiece (n)
a work of art of the highest
quality, αριστούργημα
Beethoven's Fifth and Ninth
symphonies are
masterpieces.
narrator (n)
the character who tells you
what is happening in a book or
film, αφηγητής
In this book, the narrator is a
teenager.
story-teller
on display (phr)
If something is on display, it is
there for people to look at, σε
έκθεση
Many old planes are on
display at the museum.
pearl (n)
a hard, white, round object that
is made inside the shell of a sea
creature and that is used to
make jewellery, μαργαριτάρι
She wore a beautiful
necklace of pearls around
her neck.
pure (adj)
a pure sound, colour, light etc is
very clear and beautiful,
καθαρός, σκέτος
The flowers were a pure
white.
clear dirty
relax (v)
to become happy and
comfortable because nothing is
worrying you, or to make
someone do this, χαλαρώνω
I just want to sit down and
relax.
unwind
relaxed,
relaxing
remind (v)
to make someone remember
something that they must do,
υπενθυμίζω
Remind me to buy some milk
tonight.
review (n) revision, ανασκόπηση
This textbook has a review at
the end of every chapter.
useful (adj)
helping you to do or get
something, χρήσιμος
The book is full of useful
information.
helpful useless
usefully,
usefulness
scene (n)
a short part of a movie, play, or
book in which things happen in
one place, σκηνή
The film contains some
violent scenes.
Τhink Teen! A Γυμνασίου Αρχάριοι
45

48. Unit 9 – Lesson 1
science fiction (n)
stories about life in the future
or in other parts of the
universe, επιστημονική
φαντασία
My brother has got a big
collection of science fiction
books.
vivid (adj)
bright and strong, έντονος,
ζωηρός
That poster has many vivid
colours.
vividly
word of mouth (phr)
communication that consists of
comments that people make to
each other in an informal way,
not formal communication such
as news reports and
advertisements, από στόμα σε
στόμα
Most of our customers hear
about us by word of mouth.
Τhink Teen! A Γυμνασίου Αρχάριοι
Word Definition Example Synonym Antonym Derived forms
46