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.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use usurper in a sentence
In other words, while the West had lost an imperial usurper in 476, it still had a legitimate Roman emperor.Rome Didn't Fall When You Think It Did. Here's Why That Fabricated History Still Matters Today | Edward J. Watts | October 6, 2021 | Time
This usurper showed a better understanding of why ladybirds were different colors and jumped from 5th to 1st position during February.SERP trends of the rich and featured: Top tactics for content resilience in a dynamic search landscape | Crystal Carter | August 23, 2021 | Search Engine Land
Some weeks ago, when the United States was contending with its own insurrection, I discussed the nature of coups d’etat and how, last century, usurpers tended to seize TV stations before storming presidential palaces.Myanmar: How repressive regimes quash dissent with Internet shutdowns | Robert Hackett | February 2, 2021 | Fortune
The nimblest usurpers snatch power before anyone knows what has happened.
Branded a usurper, Bruce had been excommunicated by the Vatican.
Or because he supported the deposed King Richard II rather than the usurper Henry Bolingbroke?Five Little-Known But History-Changing Medieval Crime Stories | Eric Jager | March 11, 2014 | THE DAILY BEAST
This emboldened him to add “the usurper that is in the White House … B. Hussein Obama” to the list said in his church on Sundays.
He has been offering “imprecatory prayers” against “the usurper that is in the White House…B. Hussein Obama.”
To sum the whole matter, the Britisher is an odious usurper “who has always got one eye open.”Devil-Worship in France | Arthur Edward Waite
If reason is to rule, the usurper, religion, must be ejected; hence atheism was fundamental to his entire system.Baron d'Holbach | Max Pearson Cushing
And when they were through, the King (for all he was a rank usurper) spoke them fair, and gave each man three guineas in his hand.The Works of Robert Louis Stevenson - Swanston Edition Vol. 10 (of 25) | Robert Louis Stevenson
The circumstances were propitious to the designs of a usurper.The History of The Decline and Fall of the Roman Empire | Edward Gibbon
This scandalous outrage was soon reported at Rome, and the sacrilegious usurper was excommunicated and banished.The World's Greatest Books, Vol X | Various