a word or phrase that means exactly or nearly the same as another word or phrase in the same language, for example shut is a synonym of close 同义词 ■a person or thing so closely associated with a particular quality or idea that the mention of their name calls it to mind 代名词,换喻词 the Victorian age is a synonym for sexual puritanism. 维多利亚时代是性禁欲主义的代名词。 ■(Biology)a taxonomic name which has the same application as another, especially one which has been superseded and is no longer valid (生)(分类学中的)同物异名
派生 synonymic adjective synonymity noun 语源
late Middle English: via Latin from Greek sunōnumon, neuter (used as a noun) of the adjective sunōnumos, from sun- 'with' + onoma 'name'