in·so·lence \ˈin(t)s(ə)lən(t)s\noun (-s) Etymology: Middle English, from Latin insolentia, from insolent-, insolens insolent + -ia -y 1.: the quality or state of being insolent : haughtiness, impudence : gross disrespect < insolence is often an expression of insecurity > 2.: an instance of insolent conduct or treatment : insult < unwilling to put up with her petty insolences >