opposite word is a noun meaning "a word that expresses a meaning opposed to the meaning of another word, in which case the two words are antonyms of each other". It carries one recorded sense.
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'”
Definitions, synonyms and semantic relations for opposite word come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.