antonym meaning

Definition of antonym

1. a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other
   • to him the antonym of `gay' was `depressed'

   Synonyms: opposite word, opposite

   Opposite: synonym

   Type of: word

   Kinds: direct antonym, indirect antonym

   Related forms: antonymous

antonym in a sentence

• The words synonym and antonym are antonyms.
• Concave is the antonym of convex.