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.
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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use thesaurus in a sentence
A thesaurus is a handy thing, but sometimes seemingly tiny differences in meaning can actually have a huge impact.Earliest known burial in Africa is that of a small, fragile child | Kiona N. Smith | May 6, 2021 | Ars Technica
Instead, day after day I turn to all the wonderful dictionaries, thesauruses, and weird twists on them that are out there on the internet.
Had Palin scoured a thesaurus, she could not have come up with a more inflammatory phrase.
Hickes' transcript of the Calendar (thesaurus, I, 203) shows an average of one error in every six lines.Beowulf | R. W. Chambers
Thus the ancient Runic inscriptions, as we gather from Hickes's thesaurus, are in the form of a knot.
The new thought of a treasury of merits (thesaurus meritorum) introduced further changes.
The work, however, on which his fame as a scholar is most surely based is the thesaurus Graecae linguae.
John Starke himself, with his thesaurus of Horror, never penned anything so deliciously frightful.The History of Burke and Hare | George Mac Gregor
British Dictionary definitions for thesaurus
a book containing systematized lists of synonyms and related words
a dictionary of selected words or topics
rare a treasury
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012