po·lite / pəˈlīt/ • adj. (-lit·er , -lit·est ) having or showing behavior that is respectful and considerate of other people: they thought she was wrong but were too polite to say so. ∎ of or relating to people who regard themselves as more cultured and refined than others: the picture outraged polite society. DERIVATIVES: po·lite·ly adv. po·lite·ness n.