millenarian /mɪlɪˈnɛːɹɪən/adjective 3noun 1forms 3 adjective3 •Pertaining to the belief in an impending period of one thousand years of peace and righteousness associated with the Second Coming of Christ and his reign on earth. •Pertaining to any of various religious or social movements which believe in a coming or ongoing radical change to existing world order.Restoration of the old empires was not the aim of the totalitarian revolutions in Russia and Germany, since both wanted to bring back the millenarian empire. — 2007 •Lasting or expected to last a thousand years.[…] contrasts with the rapid decline and demise of the millenarian empire of Byzantium. — 1994 noun1 •A person who believes in an apocalyptic millennium.Like Marxists, wokies are millenarians, working for a magical tomorrow that owes nothing either to past practice or to human frailties. — 2021 formsmillenarians · more millenarian · most millenarian