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Definitions

audacious

[aw-dey-shuhs] / ɔˈdeɪ ʃəs /
ADJECTIVE
reckless, daring
Synonyms
STRONGEST
adventurous bold courageous foolhardy resolute risky
WEAK
aweless brash brassy brave cheeky daredevil dauntless enterprising fearless gutty intrepid nervy rash unafraid uncurbed undaunted ungoverned valiant venturesome
Antonyms
STRONGEST
afraid careful cautious cowardly fearful meek timid
ADJECTIVE
arrogant, presumptuous
Synonyms
STRONGEST
bold brazen
WEAK
assuming bantam brassy cheeky defiant disrespectful forward impertinent impudent insolent nervy rude saucy shameless smart-ass
Antonyms
STRONGEST
meek shy
WEAK
gentle humble mild modest reserved yielding

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I was ambitious, audacious and a little bit of naive," will.i.am said of pursuing the project.

From Barron's • Mar. 18, 2026

Establishing a global city and financial hub to rival Singapore or London was always an audacious undertaking.

From The Wall Street Journal • Mar. 13, 2026

The way Wood sees it, it might be an audacious vision, but why not?

From Los Angeles Times • Feb. 24, 2026

Journalist Nick Kochan described the raid as "massively audacious".

From BBC • Feb. 21, 2026

Crick’s intelligence was as free ranging and as audacious as his voice; he thought nothing of invading the problems of others and suggesting solutions.

From "The Gene" by Siddhartha Mukherjee

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.