Impertinent
Impertinent , adjective
[French, from Latin impertinens, -entis; pref. im- not + pertinens. See Pertinent.]
1.
Not pertinent; not pertaining to the matter in hand; having no bearing on the subject; not to the point; irrelevant; inapplicable.
Things that are impertinent to us.
How impertinent that grief was which served no end!
2.
Contrary to, or offending against, the rules of propriety or good breeding; guilty of, or prone to, rude, unbecoming, or uncivil words or actions; as, an impertinent coxcomb; an impertinent remark.
3.
Trifling; inattentive; frivolous.
Impertinent , noun
An impertinent person. [Rare]