The only dinosaur that could read.
The thesaurus read a bed time story to his little dinos.
by Soccer10Kid October 26, 2010
A thesaurus is a reference work that lists words grouped together according to similarity of meaning (containing synonyms and sometimes antonyms), in contrast to a dictionary, which contains definitions and pronunciations.

The largest thesaurus in the world is the Historical Thesaurus of the Oxford English Dictionary, which contains more than 920,000 entries.
Girl at library: Excuse me, where is the thesaurus found here?

Librarian: It's at the "reference" or the "non-fiction" section.

Girl: OK, thank you~
by Final Fantasy DUNDUNDUN October 06, 2011
A little-known, but extremely intelligent dinosaur that survived the extinction of the dinosaurs by hiding in Hogwarts with the dragons.
Thesauruses are the ninjas of the book world.
by Someone Average March 23, 2012
A girl who is "loose". A female who gets around..
Counters the male equivalent of Dictionary.
that girl is a thesaurus
by The Backdoor Joel September 25, 2010
A dinosaur of the medival time period; which is, sadly, extinct.
"There is a thesaurus"
by kel.see.uh March 24, 2008
the greek god thesaurus
"thesaurus" killed the "minotur"
by an anonymous source November 27, 2003
A very difficult word to pronounce. Usually ends up 'thathauruth' or a variant of it. However, one can easily overcome this obstacle by pronouncing the word very slowly. See thathafrath.
Alex: Hey, could you hand me the thethaur-... theth-.. the thing next to the dictionary?
John: The thesaurus?
Alex: ... yeah.
by AlexOfSpades November 18, 2014
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