Tyranny is a form of government rule which is characterized by violation of those laws which regulate the division and the exercises of the sovereign power of the state. It is a violation of its constitution. Tyranny is governing by an absolute ruler, and the arbitrary or despotic exercise of power. It involves abuse of authority and oppressive or unjustly severe government on the part of any ruler
Tyranny is also used in a generic sense to refer to anyone who exercises power in an arbitrary and unrestrained manner. For example, an overly harsh employer may be referred to as a tyrant.