Entry 1 sense Webster, 1913 Impolite /ĭmˌ-pəl-īt'/ · Im·po·lite · IPA /ɪmpəˈlaɪt/ 01 a. Not polite; not of polished manners; wanting in good manners; discourteous; uncivil; rude. 1. Not polite; not of polished manners; wanting in good manners; discourteous; uncivil; rude.