[ aw-dey-shuhs ]
/ ɔˈdeɪ ʃəs /


extremely bold or daring; recklessly brave; fearless: an audacious explorer.
extremely original; without restriction to prior ideas; highly inventive: an audacious vision of the city's bright future.
recklessly bold in defiance of convention, propriety, law, or the like; insolent; brazen.
lively; unrestrained; uninhibited: an audacious interpretation of her role.

Origin of audacious

First recorded in 1540–50; audaci(ty) + -ous
Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for audacious

British Dictionary definitions for audacious


/ (ɔːˈdeɪʃəs) /


recklessly bold or daring; fearless
impudent or presumptuous
Derived Formsaudaciously, adverbaudaciousness or audacity (ɔːˈdæsɪtɪ), noun

Word Origin for audacious

C16: from Latin audāx bold, from audēre to dare
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

Word Origin and History for audacious



1540s, "confident, intrepid," from Middle French audacieux, from audace "boldness," from Latin audacia "daring, boldness, courage," from audax "brave, bold, daring," but more often "bold" in a bad sense, "audacious, rash, foolhardy," from audere "to dare, be bold." Bad sense of "shameless" is attested from 1590s in English. Related: Audaciously.

Online Etymology Dictionary, © 2010 Douglas Harper