The document discusses synonyms and antonyms. It defines a synonym as a word with the same or nearly the same meaning, and provides "cold" and "chilly" as an example. An antonym is defined as a word with the opposite meaning, and "short" and "tall" are given as an example. Some additional synonym and antonym pairs are listed. The document then describes a classroom game where students will form teams and take turns answering synonym and antonym questions for different point values.