🧶 Impertinent = rude and bit showing respect, especially towards someone older or in a higher position than you

i hope he didn't think I was being impertinent when I asked him about his private life

an impertinent remark/question

🧶 Impertinence = behaviour that is rude and does not show respect

He threw me out of his class for impertinence

He was fired for impertinence

🧶 Impertinently = in a rude way

A guest asked me rather impertinently if the salmon I was serving was organic

She impertinently reminded him that he had himself made mistakes