thesaurus

Fetched 2026-10-26 (cache).

Synonyms: thesauri, thesauruses, therosaurus, thesaural, thesaurer

Antonyms: thesauri, thesauruses, therosaurus, thesaural, thesaurer

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|type of wordbook, especially for synonyms}} A [[publication]] that provides [[synonym]]s (and sometimes [[antonym]]s and other {{l|en|semantic}} relations) for the [[word]]s of a given [[language]].
2. {{senseid|en|dictionary or encyclopedia, archaically}} {{lb|en|archaic}} A [[dictionary]] or [[encyclopedia]].
3. {{senseid|en|hierarchy of subject headings}} {{lb|en|information science}} A [[hierarchy]] of [[subject]] [[heading]]s: [[canonical]] titles of [[theme]]s and [[topic]]s, the titles serving as search keys.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.