Search more than 275,000 synonyms, antonyms, related words, and idiomatic phrases. The thesaurus is more than just a list of synonyms; it is your guide to more precise and effective use of language.
| \ thi-ˈsȯr-əs
\ or thesauruses\
: a book in which words that have the same or similar meanings are grouped together
: a book of words or of information about a particular field or set of concepts
: a book of words and their synonyms
: 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