Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Adjective: impertinent  im'pur-tu-nunt or im'purt-nunt
  1. Lively and humorously cheeky or forward
    "a certain impertinent gaiety and ease of manner";
    - irreverent, pert, saucy [informal], cheeky [Brit, informal]
  2. Not pertinent to the matter under consideration
    "mentioned several impertinent facts before finally coming to the point";
    - extraneous, immaterial, orthogonal
  3. Improperly forward or bold
    "impertinent of a child to lecture a grownup";
    - fresh, impudent, overbold, smart, saucy [informal], sassy [N. Amer, informal], wise, lippy [informal]

See also: beside the point, forward, irrelevant, spirited