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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.


(ˌtɛm əˈrɛər i əs)

reckless; rash.
[1525–35; < Latin temerārius=temer(e) blindly, heedlessly + -ārius -ary]
tem`er•ar′i•ous•ly, adv.
tem`er•ar′i•ous•ness, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.temerarious - presumptuously daring; "a daredevil test pilot having the right stuff"
bold - fearless and daring; "bold settlers on some foreign shore"; "a bold speech"; "a bold adventure"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
To produce Tess, fresh from the dairy, as a d'Urberville and a lady, he had felt to be temerarious and risky; hence he had concealed her lineage till such time as, familiarized with worldly ways by a few months' travel and reading with him, he could take her on a visit to his parents, and impart the knowledge while triumphantly producing her as worthy of such an ancient line.
With a vicious lunge the elephant swerved to the right to dispose of this temerarious foeman who dared intervene between himself and his intended victim; but he had not reckoned on the lightning quickness that could galvanize those steel muscles into action so marvelously swift as to baffle even a keener eyesight than Tantor's.
Gamesters at play; cunning rogues baiting their traps with subtle skill; beauty in love with courage, and thus planning to be sought by it; danger, death, love, disappointment, ridicule--any of these might respond to that temerarious rap.
'We are prepared to give him the benefit of the doubt, taking judicial notice of the general tendency of youth to be rash, temerarious and uncalculating,' said the Supreme Court decision signed by Chief Justice Andres Narvasa and 13 other justices.
In presuming to denounce the Church's official heads, Dante is, by his own admission, perhaps again too temerarious, "troppo folle" (XIX.88).
They're playing a temerarious game plying energy to Europe, America and Japan.