n. 25B6; noun RUDENESS, insolence, impoliteness, bad manners, discourtesy, discourteousness, disrespect, incivility; impudence, cheek, cheekiness, audacity, temerity, effrontery, nerve, gall, boldness, cockiness, brazenness; informal brass (neck); Brit. informal sauce; N. Amer. informal sass, sassiness, chutzpah; archaic assumption.
IMPERTINENCE
Meaning of IMPERTINENCE in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012