Associations to the word «Thesaurus»

Wiktionary

THESAURUS, noun. A publication, usually in the form of a book, that provides synonyms (and sometimes antonyms) for the words of a given language.
THESAURUS, noun. (archaic) A dictionary or encyclopedia.
THESAURUS, noun. (information science) A hierarchy of subject headings—canonic titles of themes and topics, the titles serving as search keys.

Dictionary definition

THESAURUS, noun. A book containing a classified list of synonyms.

Wise words

Words are always getting conventionalized to some secondary meaning. It is one of the works of poetry to take the truants in custody and bring them back to their right senses.
William Butler Yeats