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'"他の単語の意味の反対の意味を表現する単語で、その場合2つの単語はそれぞれの反対語である対語
例:to him the antonym of `gay' was `depressed' 彼にとって陽気の反意語は意気消沈したである