audacious
au-da-cious
adjective
Displaying a shocking lack of respect or politeness; impudent.
"He made an audacious remark."
adjective
Showing a fearless, often impudent, willingness to take bold risks.
"Her audacious plan surprised everyone."
Thesaurus
Synonyms: unashamed, insolent, brazen-faced, bald-faced, brassy, bodacious, brazen, barefaced, unfearing, intrepid, brave, bold