1. 独裁的;专政的
Dictatorial means controlled or used by a dictator.

2. 专横的;霸道的;喜欢发号施令的
If you describe someone's behaviour as dictatorial, you do not like the fact that they tell people what to do in a forceful and unfair way.

1. characteristic of an absolute ruler or absolute rule
having absolute sovereignty

e.g. an authoritarian regime
autocratic government
despotic rulers
a dictatorial rule that lasted for the duration of the war
a tyrannical government

Synonym: authoritarianautocraticdespotictyrannictyrannical

2. expecting unquestioning obedience

e.g. the timid child of authoritarian parents
insufferably overbearing behavior toward the waiter

Synonym: authoritarianoverbearing

3. of or characteristic of a dictator

e.g. dictatorial powers