USURP v.
To seize, and hold in possession, by force, or without right; as, to usurp a throne; to usurp the prerogatives of the crown; to usurp power; to usurp the right of a patron is to oust or dispossess him. Alack, thou dost usurp authority. Shak. Another revolution, to get rid of this illegitimate and usurped government, wo…
USURPER n.
who usurps; especially, one who seizes illegally on sovereign power; as, the usurper of a throne, of power, or of the rights of a patron. A crown will not want pretenders to claim it, not usurpers, if their power serves them, to possess it. South.