polity UK /ˈpɒl.ɪ.ti/US /ˈpɑ.lə.ti/ noun2 •A politically organized unit, especially a nation of people, a class or ingroup that governs it, or the state ruled thereby.New polities emerged in Europe after the fall of the Roman Empire. •Organizational structure and governance, especially of a state or a religion.Church polity was a topic of fierce dispute in 17th-century Britain. formspolities