say it: ah-DAY-shuhs
audacious is an adjective meaning "invulnerable to fear or intimidation". It carries 3 recorded senses.
unrestrained by convention or propriety
“an audacious trick to pull”
“a barefaced hypocrite”
“the most bodacious display of tourism this side of Anaheim”
“bald-faced lies”
“brazen arrogance”
“the modern world with its quick material successes and insolent belief in the boundless possibilities of progress”
disposed to venture or take risks
“audacious visions of the total conquest of space”
“an audacious interpretation of two Jacobean dramas”
“the most daring of contemporary fiction writers”
“a venturesome investor”
“a venturous spirit”
Definitions, synonyms and semantic relations for audacious come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.