Antonym

(n.) A word of opposite meaning; a counterterm; -- used as a correlative of synonym.

Thesaurus Entries

antipode, antipodes, antipole, antithesis, articulation, contra, converse, counter, counterbalance, countercheck, counterpoint, counterpoise, counterpole, counterterm, expression, foil, free form, homograph, homonym, homophone, inverse, lexeme, linguistic form, locution, logos, metonym, minimum free form, monosyllable, obverse, offset, opposite, opposite number, polysyllable, reverse, setoff, syllable, synonym, term, the contrary, the other side, usage, utterance, verbalism, verbum, vis-a-vis, vocable, word