'authoritarian' definitions:

Definition of 'authoritarian'

From: WordNet
adjective
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" [syn: authoritarian, autocratic, dictatorial, despotic, tyrannic, tyrannical]
adjective
Expecting unquestioning obedience; "the timid child of authoritarian parents"; "insufferably overbearing behavior toward the waiter" [syn: authoritarian, dictatorial, overbearing]
noun
A person who behaves in a tyrannical manner; "my boss is a dictator who makes everyone work overtime" [syn: authoritarian, dictator]

Synonyms of 'authoritarian'

From: Moby Thesaurus