impudence, impudency 1. The trait of being rude and impertinent; inclined to take liberties. 2. Impudent conduct or language. 3. Offensively bold behavior; impertinence, insolence, cheekiness. 4. Lack of modesty; shamelessness. Found on http://www.wordinfo.info/words/index/info/view_unit/1789/