n. 25B6; noun RUDENESS, impoliteness, ill manners, bad manners, incivility, disrespect, ungraciousness, churlishness, boorishness, ill breeding, uncouthness, crassness; insolence, impudence, impertinence; curtness, brusqueness, abruptness.
DISCOURTESY
Meaning of DISCOURTESY in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012