Definition of totalitarian

• an adherent of totalitarian principles or totalitarian government
• characterized by a government in which the political authority exercises absolute and centralized control; "a totalitarian regime crushes all autonomous institutions in its drive to seize the human soul"- Arthur M.Schlesinger, Jr.
• of or relating to the principles of totalitarianism according to which the state regulates every realm of life; "totalitarian theory and practice"; "operating in a totalistic fashion"