Presumptuously or recklessly daring: "I would never have been temerarious enough to make use of such a title on my own” ( Brendan Gill). See Synonyms at reckless.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "temerarious" in a sentence
"It was a "temerarious" task to attempt to revive the types which, from the days of Harrison's _Essayists_, had occupied so many of the earlier illustrators."
"IV, vi) before his elevation to the pontificate did hold the opinion, which later theologians branded as "temerarious", that Christ consecrated without words by means of the mere "benediction"."
"Père did insist on feeding potato chips to a temerarious chipmunk, over our objections."