Antonyms are words with opposite meanings, such as good and bad. Learn about graded and complementary antonyms, how to form antonyms with prefixes, and why antonyms are important for writing and vocabulary. Definition of Antonym An antonym is a semantic term for words that have opposite meanings or definitions. To simply put it, an antonym is an opposite of another word. The term “antonym” has been derived from a Greek word antonumia, which means counter name. EnglishClub : Learn English : Vocabulary : Reference : Synonyms / Antonyms Synonyms and Antonyms Synonym A synonym is a word that means exactly the same as, or very nearly the same as, another word in the same language. For example, "close" is a synonym of "shut". A word that has the exact opposite meaning of another word is its antonym. Life is full of antonyms, from the "stop" and "go" of a traffic signal to side-by-side restroom doors labeled "men" and "women."
