柯林斯詞典antonym /??nt?n?m/ (antonyms) 1. N-COUNT The antonym of a word is a word that means the opposite. 反義詞[正式] 返回 antonym劍橋詞典a word that means the opposite of another word 反義詞 Two antonyms of "light " are "dark " and "heavy ". light 的兩個(gè)反義詞是 dark 和 heavy。 比較synonym 返回 antonym