authoritarian

As nouns the difference between autocracy and authoritarian

is that autocracy is a form of government in which unlimited power is held by a single individual while authoritarian is one who commands absolute obedience to his or her authority.

As an adjective authoritarian is

of, or relating to, absolute obedience to an authority.

As adjectives the difference between authoritarian and tyrant

is that authoritarian is of, or relating to, absolute obedience to an authority while tyrant is tyrannical, tyrannous; like, characteristic of, or in the manner of a tyrant.

As nouns the difference between authoritarian and tyrant

is that authoritarian is one who commands absolute obedience to his or her authority while tyrant is a usurper; one who gains power and rules extralegally, distinguished from kings elevated by election or succession.

As a verb tyrant is

to act like a tyrant; to be tyrannical.

As nouns the difference between authoritarian and dictator

is that authoritarian is one who commands absolute obedience to his or her authority while dictator is originally, a magistrate without colleague in republican ancient Rome, who held full executive authority for a term granted by the senate (legislature), typically to conduct a war.

As an adjective authoritarian

is of, or relating to, absolute obedience to an authority.

As adjectives the difference between authoritarian and preliberal

is that authoritarian is of, or relating to, absolute obedience to an authority while preliberal is before the liberal period of society, ie in feudal or authoritarian times.

As a noun authoritarian

is one who commands absolute obedience to his or her authority.