insolent
/ˈɪnsə.lənt/adjective
Rude and disrespectful in words or behavior.
Example sentences
- “His insolent reply earned him a detention.”
- “The insolent waiter rolled his eyes when we asked for the bill.”
Typically describes juniors defying seniors: an insolent student, an insolent reply. 'Rude' has no such hierarchy built in.