Webster's Revised Unabridged Dictionary · 1913

Impertinence

Impertinence , noun

[Compare French impertinence. See Impertinent.]

1.
The condition or quality of being impertinent; absence of pertinence, or of adaptedness; irrelevance; unfitness.
2.
Conduct or language unbecoming the person, the society, or the circumstances; rudeness; incivility.
We should avoid the vexation and impertinence of pedants who affect to talk in a language not to be understood. — Swift
3.
That which is impertinent; a thing out of place, or of no value.
There are many subtile impertinences learned in schools. — Watts