dictatorial

of or characteristic of a dictator

• “dictatorial powers”

likened to a dictator in severity

expecting unquestioning obedience

• “he was imperious and dictatorial”
• “the timid child of authoritarian parents”
• “insufferably overbearing behavior toward the waiter”

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”