noun
also impertinency im+, əm+, or in senses 1a & 2a ˈim+|-
Etymology: impertinence from French, from Medieval Latin impertinentia, from Late Latin impertinent-, impertinens + Latin -ia -y; impertinency from French impertinence + English -y
1. : the quality or state of being impertinent: as
a. : lack of relevance or appropriateness : irrelevance , unfitness
b. : lack of due respect for others in conduct : incivility , insolence
the impertinence , the brashness had gone forever — Katharine F. Gerould
2. : something impertinent or an instance of impertinence:
a. : an irrelevant thing or matter
at the climax of high tragedy all scenic adjuncts become an impertinence — W.B.Adams
b. : an impertinent or uncivil act or person
irritated by the man's social faults and impertinences
unwilling to scold the young impertinence that was his son