Synonyms: audacious, bald-faced, barefaced, bodacious, brassy, brazen, brazen-faced, insolent
Definition: unrestrained by convention or propriety
Usage: 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
Similar words: unashamed
Definition: used of persons or their behavior; feeling no shame
Synonyms: impudent, insolent, flip, snotty-nosed
Definition: marked by casual disrespect
Usage: a flip answer to serious question; the student was kept in for impudent behavior
Similar words: disrespectful
Definition: exhibiting lack of respect; rude and discourteous
Usage: remarks disrespectful of the law; disrespectful in the presence of his parents; disrespectful toward his teacher