impudent
Definitions
Not showing due respect for another person; impertinent.
Characterized by offensive boldness or insolence.
Examples
The impudent child refused to apologize for his rude behavior in class.
It was quite impudent of him to interrupt the professor during such an important lecture.
She was fired for her impudent attitude toward the manager.
Synonyms
insolent audacious brazen cheeky impertinent presumptuous brash