(adv) in an overbearingly domineering manner; as a dictator, Syn. autocratically, magisterially, Example:this manager acts dictatorially toward his colleagues
(adj) characteristic of an absolute ruler or absolute rule; having absolute sovereignty, Syn. dictatorial, tyrannic, despotic, autocratic, tyrannical, Example:an authoritarian regime; autocratic government; despotic rulers; a dictatorial rule that lasted for the duration of the war; a tyrannical government