antonym Meaning, Definition & Usage
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noun a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other
opposite word; opposite.
- to him the antonym of `gay' was `depressed'
WordNet
An"to*nym noun
Etymology
Gr. a word used in substitution for another; + , , a word.Definitions
A word of opposite meaning; a counterterm; -- used as a correlative of synonym. R. C. J. Smith.