ukase

/juˈkeɪs/
noun
  1. An official decree or order, especially from a ruler or authority.
    • The tsar issued a ukase that changed the laws of the empire.
    • The company's new policy felt like a ukase from the CEO, with no discussion allowed.
    • Historians study the ukase that abolished serfdom in Russia.
  2. Any arbitrary or final command or decision.
    • The committee's ukase ended all debate on the matter.
    • She treated her family's weekend plans like a personal ukase.
    • The manager's ukase about the dress code surprised everyone.