As nouns the difference between impoliteness and uncourteousness
is that impoliteness is the state of being impolite; incivility; rudeness while uncourteousness is the state or condition of being uncourteous; impoliteness.
impoliteness
English
Noun
The state of being impolite; incivility; rudeness.
References
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uncourteousness
English
Noun
(-)
The state or condition of being uncourteous; impoliteness.