Meaning

• One who commands absolute obedience to his or her authority.

  "The dictator was an authoritarian."

• One who follows and is excessively obedient to authority.

  "2006, Robert Altemeyer, The Authoritarians"

Meaning

• 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.

  "The authoritarian government was demanding stricter laws for low-wage peasants."

• Tending to impose one's demands upon others as if one were an authority.