thesaurus
[ thi-sawr-uh s ]
/ θɪˈsɔr əs /
noun, plural the·sau·rus·es, the·sau·ri [-sawr-ahy] /-ˈsɔr aɪ/.
a dictionary of synonyms and antonyms, such as the online Thesaurus.com.
any dictionary, encyclopedia, or other comprehensive reference book.
a storehouse, repository, or treasury.
Computers.
- an index to information stored in a computer, consisting of a comprehensive list of subjects concerning which information may be retrieved by using the proper key terms.
- a dictionary of synonyms and antonyms stored in memory for use in word processing.
Origin of thesaurus
1730–40; < Latin
thēsaurus < Greek
thēsaurós ‘treasure, treasury’
Words nearby thesaurus
Example sentences from the Web for thesauruses
The very Graduses and Thesauruses were raked for phrases to pelt me with by the tiny pedants.
The Works of Charles and Mary Lamb |Charles Lamb
British Dictionary definitions for thesauruses
thesaurus
/ (θɪˈsɔːrəs) /
noun plural -ruses or -ri (-raɪ)
a book containing systematized lists of synonyms and related words
a dictionary of selected words or topics
rare
a treasury
Word Origin for thesaurus
C18: from Latin, Greek:
treasure