impertinent

 
Pronunciation: /ɪmˈpəːtɪnənt/

adjective

  • 1not showing proper respect; rude: an impertinent question
  • 2 formal not pertinent to a particular matter; irrelevant: talk of ‘rhetoric’ and ‘strategy’ is impertinent to this process

Derivatives

impertinently

adverb

Origin:

late Middle English (in impertinent (sense 2)): from Old French, or from late Latin impertinent- 'not having reference to', from Latin in- 'not' + pertinere 'pertain'