audacious, barefaced, bodacious, bold-faced, brassy, brazen, brazen-faced, insolent - 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; "bold-faced lies"; "brazen arrogance"; "the modern world with its quick material successes and insolent belief in the boundless possibilities of progress"- Bertrand Russell Antonym:ashamed (indirect, via unashamed)