Definitions of tyrannical:

  • adjective:   of or relating to or associated with or resembling a dictatorship
    Example: "Tyrannical suppression of liberty"
  • adjective:   marked by unjust severity or arbitrary behavior
    Example: "A tyrannical parent"
  • adjective:   characteristic of an absolute ruler or absolute rule; having absolute sovereignty
    Example: "A tyrannical government"