The act of usurping, or of seizing and enjoying; an authorized, arbitrary assumption and exercise of power, especially an infringing on the rights of others; specifically, the illegal seizure of sovereign power; -- commonly used with of, also used with on or upon; as, the usurpation of a throne; the usurpation of the supreme power.
Power acquired by violence is only a usurpation, and lasts only as long as the force of him who commands prevails over that of those who obey. Denis Diderot
The great constitutional corrective in the hands of the people against usurpation of power, or corruption by their agents is the right of suffrage; and this when used with calmness and deliberation will prove strong enough. Andrew Jackson
Fraud, robbery, and murder have characterized the English usurpation of the government of our country. Why, for the last fifty years we have been robbed in the matter of taxes of hundreds of millions. John Edward Redmond
Above all we should not forget that government is an evil, a usurpation upon the private judgement and individual conscience of mankind. William Godwin
Nations sometimes flourish by denying the crimes that brought them into being. Only when the original invasion, occupation, extermination or usurpation has been safely thrust into the political unconscious can sovereignty feel secure. Terry Eagleton