1. in a rude or disrespectful manner, especially toward someone in authority

Examples

• The student spoke impertinently to the teacher during class.
• She impertinently interrupted the meeting with her complaints.
• He answered the judge’s questions impertinently and was held in contempt.
• The child impertinently refused to follow her parents’ instructions.
• The employee was fired for speaking impertinently to customers.
• She impertinently questioned the professor’s expertise in front of the entire class.