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Showing results for instigator. Search instead for institor.
Synonyms

instigator

American  
[in-sti-gey-ter] / ˈɪn stɪˌgeɪ tər /
Rarely instigant

noun

instigators plural
  1. a person or thing that provokes or incites an action or course: Plays to be performed at the festival focus on a theme of how youth can be the instigators of positive change.

    Peaceful protesters outnumbered the violent instigators, and they kept the demonstration from becoming a riot.

    Plays to be performed at the festival focus on a theme of how youth can be the instigators of positive change.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of instigator

First recorded in 1590–1600; from Latin instigātor, equivalent to instigāt(us) + -or -or 2 ( def. ); see instigate ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

It’s not clear who was the instigator when, several months ago, Amanda Ponce got into an altercation with a fellow resident at a Boyle Heights homeless housing site.

From Los Angeles Times Apr. 14, 2026

According to their coach, Romain Haguenauer, this change of music was the result of behind-the-scenes manipulation -- the instigator allegedly an American judge, a compatriot of Chock and Bates.

From Barron's Feb. 10, 2026

When asked by Bloomberg TV about reporting that he was an instigator in the probe, Pulte said the Justice Department and its investigation into Powell is outside of his purview.

From The Wall Street Journal Jan. 13, 2026

"It potentially acts as an instigator of early Alzheimer's pathology."

From Science Daily Dec. 22, 2025

Terryl also felt that Kathie was accusing her of being an instigator.

From "A Deadly Wandering: A Mystery, a Landmark Investigation, and the Astonishing Science of Attention in the Digital Age" by Matt Richtel

Loyalist commanders estimate there were half-a-dozen coup instigators and perhaps 40 eager co-conspirators.

From The Wall Street Journal Mar. 12, 2026

Intervention by the governor and community mediation efforts restored a fragile peace to the area, but the instigators of the violence remain at large.

From Barron's Feb. 26, 2026

Claire Chase, who has been one of the most influential instigators of the Pauline Oliveros revival, was this year’s Ojai Festival energizer bunny.

From Los Angeles Times Dec. 10, 2025

He was described as "one of the main instigators".

From BBC Aug. 9, 2024

In 2012, several further studies corroborated these initial findings, strengthening the links between these variants of mental illness and family histories and deepening questions about their etiology, epidemiology, triggers, and instigators.

From "The Gene" by Siddhartha Mukherjee

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