Definition of synonym noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈsɪnənɪm//
; NAmE NAmE//ˈsɪnənɪm//
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a word or expression that has the same or nearly the same meaning as another in the same language ‘Big’ and ‘large’ are synonyms. compare antonym Wordfinderconnotation, definition, dictionary, homonym, meaning, pronunciation, spelling, synonym, vocabulary, word Word Originlate Middle English: via Latin from Greek sunōnumon, neuter (used as a noun) of the adjective sunōnumos, from sun- ‘with’ + onoma ‘name’.
See the Oxford Advanced American Dictionary entry: synonym