despotic, despotical -- (belonging to or having the characteristics of a despot)
despotic -- (ruled by or characteristic of a despot; "moved from a feudal to a despotic order"; "his administration was arrogant and despotic")
authoritarian, autocratic, dictatorial, despotic, tyrannic, tyrannical -- (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")