unrestrained by convention or propriety; "an audacious trick to pull"; "a barefaced hypocrite"; "the most bodacious display of tourism this side of Anaheim"- Los Angeles Times; "bald-faced lies"; "brazen arrogance"; "the modern world with its quick material successes and insolent belief in the boundless possibilities of progress"- Bertrand Russell因習または礼儀により抑制されない驕慢
例:an audacious trick to pull 大胆なたくらみ
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"危険を冒して進みたい、あるいはリスクを負いたい大胆
例:an audacious interpretation of two Jacobean dramas 2つのジェームズ一世時代の劇の大胆な解釈
invulnerable to fear or intimidation; "audacious explorers"; "fearless reporters and photographers"; "intrepid pioneers"恐れまたは脅迫にびくともしない豪胆