AUTHORITARIAN
authoritarian, autocratic, dictatorial, despotic, tyrannic, tyrannical
(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”
authoritarian, dictatorial, overbearing
(adjective) expecting unquestioning obedience; “the timid child of authoritarian parents”; “insufferably overbearing behavior toward the waiter”
authoritarian, dictator
(noun) a person who behaves in a tyrannical manner; “my boss is a dictator who makes everyone work overtime”
Source: WordNet® 3.1
Etymology
Adjective
authoritarian (comparative more authoritarian, superlative most authoritarian)
Of, or relating to, or exhibiting strict obedience to an authority; favoring authoritarianism over civic and individual liberties.
Demanding obedience to authority; marked by authoritarianism; dictatorial, tyrannical.
Tending to impose one's demands upon others as if one were an authority.
Synonyms
• (characterised by a tyrannical obedience to an authority): illiberal, oppressive
• (tending to impose one's demands): arrogant, commanding, haughty, imperious
• See also bossy
Antonyms
• (characterised by a tyrannical obedience to an authority): liberal
• (tending to impose one's demands): servile, humble, modest
Noun
authoritarian (plural authoritarians)
One who commands absolute obedience to his or her authority.
One who follows and is excessively obedient to authority.
Source: Wiktionary