"dictatorial" in the adjective sense
1. dictatorial
of or characteristic of a dictator
"dictatorial powers"
2. authoritarian, dictatorial, overbearing
expecting unquestioning obedience
"the timid child of authoritarian parents"
"insufferably overbearing behavior toward the waiter"
3. 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"
Source: WordNet® (An amazing lexical database of English)
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