a word that means the opposite of another word 反义词 ‘Old’ has two possible antonyms: ‘young’ and ‘new’. old 的反义词可能有两个：young 和 new。 🔊🔊 a dictionary of antonyms 反义词词典
Word Originmid 19th cent.: from French antonyme, from ant- (from Greek anti- ‘against’) + Greek onuma ‘a name’.