[ yoo-sur-per, -zur‐ ]
See synonyms for usurper on
  1. someone who seizes an office or position of power by force or without legal right, or who is perceived to have done so: The usurper Vitigis gathered his army together and laid siege to Rome.

Origin of usurper

First recorded in 1400–50; usurp + -er1

Words Nearby usurper Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use usurper in a sentence