The fact or quality of not relating to the matter in hand; irrelevance; = "impertinence". Chiefly Law after 18th century.
An incongruity; an absurdity; a triviality; = "impertinence".
Presumptuous speech or behaviour; insolence, disrespect; = "impertinence". Now chiefly archaic.
A presumptuous, insolent, or disrespectful act or remark.