As nouns the difference between impertinence and impoliteness
is that impertinence
is (uncountable) lack of pertinence; irrelevance while impoliteness
is the state of being impolite; incivility; rudeness.
(uncountable) Lack of pertinence; irrelevance.
(countable) An instance of this; a moment of being impertinent.
(uncountable) The fact or character of being out of place; inappropriateness.
The state of being impolite; incivility; rudeness.