instigator

[in-sti-gay-ter] / ˈɪn stɪˌgeɪ tər /

NOUN

troublemaker

Synonyms

STRONGEST

ringleader

STRONG

agitator firebrand hellion incendiary inciter knave meddler mischief-maker nuisance provocateur punk rabble-rouser

WEAK

agent provocateur inflamer sparkplug wise guy

Frequently Asked Questions

What is another word for instigator?

Instigator is most commonly used in a negative way to refer to a person who provokes other people or incites trouble—often by instigating arguments or encouraging dangerous actions. Synonyms include agitator, antagonizer, provocateur, troublemaker, incendiary, and firebrand. Some instigators make elaborate plans to stir up trouble, but others are opportunists who find any opportunity to throw a match on a powder keg. The term agent provocateur is more specific than provocateur. An agent provocateur is a secret agent working to incite people into illegal actions so that they can be arrested.

What is the opposite (antonym) of instigator?

The opposite of instigating is trying to stop trouble, rather than starting it. In the context of an argument or conflict, such a person might be called a peacemaker or peacekeeper. The word troubleshooter can also be used in this way. Mediators try to help parties in a conflict to resolve it.

Is instigator a negative word?

Instigator is almost always used in a negative way in the context of someone starting trouble. It’s possible to be used positively in a way that’s ironic, as in instigator of peace. In neutral contexts involving things causing other things, the neutral word catalyst is a good choice.

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:

instigator instigators

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

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

From Science Daily ● Dec. 22, 2025

Béninois are rightly proud of their country's role as the pioneering instigator of the wave of peaceful mass protest and democratisation that swept across francophone Africa in the early 1990s.

From BBC ● Dec. 9, 2025

But whether it is an unexpected jump in claims costs or lower premiums that are the instigator, the upshot is that auto-insurance underwriting might now be past its peak profitability.

From The Wall Street Journal ● Nov. 8, 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

But LeBron James, one of the instigators during that stretch, missed three point-blank looks at the basket with the Lakers needing to be perfect to have a real chance at a comeback.

From Los Angeles Times ● Jan. 19, 2025

But it never felt quite right, until a few years ago when they decided to be the instigators.

From Seattle Times ● Feb. 18, 2024

We spread ourselves out, made our presence known to the main instigators.

From "Newjack: Guarding Sing Sing" by Ted Conover

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