Not important; not with respect to the situation available; to not ever the purpose; irrelevant; inapposite; out of place.
Negligent of or inattentive to your matter at your fingertips; careless; frivolous.
despite the guidelines of propriety or good breeding; uncivil: talking or acting presumptuously or offensively; pragmatical; meddling: as, impertinent behavior; an impertinent child.
Synonyms Impertinent, Officious, saucy, impudent, insolent, rude, unmannerly, pert, bold, Impertinent means forward, intrusive, generally speaking from interest, but often with undesired guidance, etc.; officious suggests forward to offer and undertake service where it's neither required nor desired. A busybody might be either impertinent or officious, or both. See impudence.