thesaurus
/θɪˈsɔːɹəs/ noun C2- A publication that provides synonyms (and sometimes antonyms and other semantic relations) for the words of a given language. · "Roget" is the leading brand name for a print English thesaurus that lists words under general concepts rather than just close synonyms.
- A hierarchy of subject headings: canonical titles of themes and topics, the titles serving as search keys.
Plural thesauri
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