tyrannical

 
Pronunciation: /tɪˈranɪk(ə)l, tʌɪ-/

adjective

  • exercising power in a cruel or arbitrary way: a tyrannical government
  • characteristic of tyranny; oppressive and controlling: a momentary quieting of her tyrannical appetite

Derivatives

tyrannically

adverb

Origin:

mid 16th century: from Old French tyrannique, via Latin from Greek turannikos, from turannos (see tyrant)