antonym
(ˈæntənɪm)
[See quot.]
A term which is the opposite or antithesis of another, a counter-term.
| 1870 C. J. Smith Syn. & Antonyms Pref. 6 The Etymology of the word ἀντωνυµία merely expresses the idea of one word in substitution for, which in matters of verbal debate, is equivalent practically to opposition to another; a double force which, in addition to its analogy to Synonym, seemed to render Antonym a preferable word to Counterterm. 1881 N.Y. Nation No. 835. 464 The inevitable difficulty of choosing among synonyms and antonyms. |