D defs.my
Entry 3 senses Webster, 1913

Tyranny

/(tĭr"an*ny̆)/ · Tyr·an·ny · IPA /ˈtirəni/
01 n. The government or authority of a tyrant; a country governed by an absolute ruler; hence, arbitrary or despotic exercise of power; exercise …
  1. 1.
    The government or authority of a tyrant; a country governed by an absolute ruler; hence, arbitrary or despotic exercise of power; exercise of power over subjects and others with a rigor not authorized by law or justice, or not requisite for the purposes of government.
    ““Sir,” would he [Seneca] say, “an emperor mote need Be virtuous and hate tyranny.”” Chaucer.
  2. 2.
    Cruel government or discipline; as, the tyranny of a schoolmaster.
  3. 3.
    Severity; rigor; inclemency.
    “The tyranny of the open night's too rough For nature to endure.” Shak.