Definition of “thesaurus” - English Dictionary

american-english dictionary

“thesaurus” in British English

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(Definition of “thesaurus” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“thesaurus” in American English

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thesaurusnoun [ C ]

us /θəˈsɔr·əs/ plural thesauri /θəˈsɔrˌɑɪ, -ˈsɔrˌi/ , thesauruses

a book or electronic text that helps you find words with similar meanings esp. by listing them together

(Definition of “thesaurus” from the Cambridge Academic Content Dictionary © Cambridge University Press)