Also found in: Thesaurus.


Presumptuously or recklessly bold; rash or reckless: "I would never have been temerarious enough to make use of such a title on my own" (Brendan Gill). See Synonyms at reckless.

[From Latin temerārius, from temere, rashly.]

tem′er·ar′i·ous·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. in an audacious manner
2. obsolete in a random manner
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in classic literature ?
He wiped them with one temerariously disengaged hand.
(37) Upon his return to Chang' an from Shu when he was about to attend the official assessment, Wang, desperately and temerariously, presented ganye works to the adjutant of Jiangzhou [TEXT NOT REPRODUCIBLE IN ASCII], supernumerary Ming [TEXT NOT REPRODUCIBLE IN ASCII], Li Jingxuan [TEXT NOT REPRODUCIBLE IN ASCII] (615-82), and Pei Xingjian [TEXT NOT REPRODUCIBLE IN ASCII] (619-82), the last two of whom were especially important as they were in charge of the official assessment process.