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 Synonym(s):audacious, barefaced, bodacious, bald-faced, brassy, brazen, brazen-faced, insolent
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Brazenfaced \Bra"zen*faced`\, a.
Impudent; shameless.