1. impertinence Impertinence primarily denotes what does not pertain or belong to the occasion or the person, and hence comes to signify interference by word or act not consistent with the age, position, or relati Synonyms: impudence, assurance, impertinence, intrusiveness, presumption, boldness, incivility, officiousness, rudeness, effrontery, insolence, pertness, sauciness, forwardness Antonyms: bashfulness, diffidence, lowliness, modesty, coyness, humility, meekness, submissiveness