authoritarian

Adjective

• expecting unquestioning obedience
  • the timid child of authoritarian parents
    
  • insufferably overbearing behavior toward the waiter
    

• 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
    

Noun

• a person who behaves in a tyrannical manner
  • my boss is a dictator who makes everyone work overtime
    

Related words

• Synonyms: 
  dictatorial , overbearing , autocratic , despotic , tyrannic , tyrannical , dictator