Source : WordNet®

authoritarian
     adj 1: characteristic of an absolute ruler or absolute rule; having
            absolute sovereignty; "an authoritarian regime";
            "autocratic government"; "despotic rulers"; "a
            dictatorial rule that lasted for the duration of the
            war"; "a tyrannical government" [syn: {autocratic}, {dictatorial},
             {despotic}, {tyrannical}]
     2: likened to a dictator in severity [syn: {dictatorial}]
     3: expecting unquestioning obedience; "he was imperious and
        dictatorial"; "the timid child of authoritarian parents";
        "insufferably overbearing behavior toward the waiter"
        [syn: {dictatorial}, {overbearing}]

authoritarian
     n : a person behaves in an tyrannical manner; "my boss is a
         dictator who makes everyone work overtime" [syn: {dictator}]