Adjective authoritarian has 3 senses
  1. authoritarian, autocratic, dictatorial, despotic, tyrannical - 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"
    Antonym: democratic (indirect, via undemocratic)
  2. authoritarian, dictatorial - likened to a dictator in severity
    Antonym: permissive (indirect, via unpermissive)
  3. authoritarian, dictatorial, overbearing - expecting unquestioning obedience; "he was imperious and dictatorial"; "the timid child of authoritarian parents"; "insufferably overbearing behavior toward the waiter"
    Antonym: submissive (indirect, via domineering)
,Noun authoritarian has 1 sense
  1. authoritarian, dictator - a person behaves in an tyrannical manner; "my boss is a dictator who makes everyone work overtime"
    --1 is a kind of oppressor
    --1 has particulars: Big Brother; martinet, disciplinarian, moralist