3. (v.i.)usurp to commit forcible or illegal seizure of an office, power, etc.; encroach.
Etymology: (1275–1325; ME < L ūsūrpāre to take possession of without legal claim =ūsūuse+-ripāre, der. of rapere to seize)
Definition of 'usurp'
Princeton's WordNet
1. (verb)assume, usurp, seize, take over, arrogate seize and takecontrol without authority and possibly with force; take as one's right or possession "He assumed to himself the right to fill all positions in the town"; "he usurped my rights"; "She seized control of the throne after her husband died"
2. (verb)usurp take the place of "gloom had usurped mirth at the party after the news of the terrorist act broke"
Definition of 'usurp'
Webster Dictionary
1. (verb)usurp 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
2. (verb)usurp to commit forcible seizure of place, power, functions, or the like, without right; to commit unjust encroachments; to be, or act as, a usurper
Sense: to take (another person's power, position etc) without the right to do so The king's uncle tried to usurp the throne; I shall not allow him to usurp my authority.