1. (

• impudent ,
• insolent ,
• snotty-nosed ,
• flip

) marked by casual disrespect; "a flip answer to serious question"; "the student was kept in for impudent behavior" ;

2. (

• audacious ,
• barefaced ,
• bodacious ,
• bald-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; "bald-faced lies"; "brazen arrogance"; "the modern world with its quick material successes and insolent belief in the boundless possibilities of progress"- Bertrand Russell ;