unmannerly intrusion or presumption; insolence.

impertinent quality or action.

something impertinent, as an act or statement.

an impertinent person.

irrelevance, inappropriateness, or absurdity.

noun

humility , manners , politeness

noun

assurance , audacity , backchat , back talk * , brazenness , cheek * , chutzpah * , come-back , crust * , disrespect , disrespectfulness , effrontery , forwardness , freshness , gall , guff , hardihood , impropriety , impudence , incivility , insolence , insolency , lip * , nerve , pertness , presumption , rudeness , sass * , smart mouth , wisecrack * , wise guy * , assumption , audaciousness , boldness , brashness , cheek , cheekiness , chutzpah , discourtesy , face , familiarity , impudency , nerviness , overconfidence , presumptuousness , pushiness , sassiness , sauciness , crust , relevance , sass