arbitrary or unrestrained exercise of power; despotic abuse of authority.

the government or rule of a tyrant or absolute ruler.

a state ruled by a tyrant or absolute ruler.

oppressive or unjustly severe government on the part of any ruler.

undue severity or harshness.

a tyrannical act or proceeding.

noun

democracy

noun

absolutism , authoritarianism , autocracy , coercion , cruelty , despotism , domination , fascism , high-handedness , imperiousness , monocracy , oligarchy , oppression , peremptoriness , reign of terror * , severity , terrorism , totalitarianism , totality , unreasonableness , autarchy , dictatorship , repression , rigor