Thesaurus

Definitions

1. A publication that provides synonyms (and sometimes antonyms and other semantic relations) for the words of a given language.
2. A dictionary or encyclopedia.
   archaic
3. A hierarchy of subject headings: canonical titles of themes and topics, the titles serving as search keys.

Equivalents

Examples

“"Roget" is the leading brand name⟳ for a print⟳ English thesaurus that lists words under general concepts rather than just close⟳ synonyms.”

“As reference books go, the thesaurus has had a somewhat checkered history, in fact, and has probably occasioned as much bad writing as good.”

CEFR level