totalitarian -- (an adherent of totalitarian principles or totalitarian government)
Overview of adj totalitarian
The adj totalitarian has 2 senses
totalitarian -- (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.)
totalitarian, totalistic -- (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")