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thesaurus

play
noun the·sau·rus \thi-ˈsȯr-əs\

Simple Definition of thesaurus

  • : a book in which words that have the same or similar meanings are grouped together

Full Definition of thesaurus

plural the·sau·riplay \-ˈsȯr-ˌī, -ˌē\ or the·sau·rus·esplay \-ˈsȯr-ə-səz\

  1. 1 :  treasury, storehouse

  2. 2a :  a book of words or of information about a particular field or set of concepts; especially :  a book of words and their synonymsb :  a list of subject headings or descriptors usually with a cross-reference system for use in the organization of a collection of documents for reference and retrieval

the·sau·ral play \-ˈsȯr-əl\ adjective

Origin of thesaurus

New Latin, from Latin, treasure, collection, from Greek thēsauros


First Known Use: circa 1823



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