This document defines synonyms and antonyms and provides examples of each. Synonyms are words that have similar meanings but look or sound different, like "sick" and "ill". Antonyms are words with opposite meanings, such as "hot" and "cold". The document includes synonym and antonym exercises for students to practice identifying these words in sentences. It also suggests playing a memory game with synonym cards and composing an antonym rap to help reinforce the concepts.