That which is not pertinent; that which does not belong to the subject in hand; that which is of no weight.

The state of not being pertinent.

Folly; rambling thought.

Rudeness; improper intrusion; interference by word or conduct which is not consistent with the age or station of the person. We should avoid the vexation and impertinence of pedants.

A trifle, a thing of little or no value. There are many subtile impertinencies learnt in schools-\ .