Usurp(v. i.) To commit forcible seizure of place, power, functions, or the like, without right; to commit unjust encroachments; to be, or act as, a usurper.
Usurp(v. t.) 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.
Usurpant(a.) Usurping; encroaching.
Usurpation(n.) 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.
Usurpation(n.) Use; usage; custom.
Usurped(imp. & p. p.) of Usurp
Usurper(n.) One 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.
Usurping(p. pr. & vb. n.) of Usurp
Usurpingly(adv.) In a usurping manner.

Words within usurpment