/ˈsɪnənɪm ||; ˈsɪnəˌnɪm/noun [C] a word or phrase that has the same meaning as another word or phrase in the same language 同义词: ‘Big’ and ‘large’ are synonyms. big和large是同义词。 ☞Compare antonym. 与antonym比较。 ➔synonymous /sɪˈnɒnɪməs ||; sɪˈnɑnəməs/ adj synonymous (with sth)