Definition of Audacious

Adjective: audacious o'dey-shus

Invulnerable to fear or intimidation
"audacious explorers";
- brave, dauntless, fearless, hardy, intrepid, unfearing
Unrestrained by convention or propriety
"an audacious trick to pull";
- barefaced, bodacious [N. Amer], bald-faced, brassy, brazen, brazen-faced, insolent
Disposed to venture or take risks
"audacious visions of the total conquest of space"; "an audacious interpretation of two Jacobean dramas";
- daring, venturesome, venturous