CATALYST Synonyms: 59 Similar and Opposite Words

catalyst

noun

Definition of catalyst

as in stimulus

something that arouses action or activity Her expulsion from the university proved to be a catalyst for needed change.

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Example Sentences

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Recent Examples of catalyst Building the atomic picture The researchers combined several advanced techniques to examine the catalyst from the inside out. — Rupendra Brahambhatt, Interesting Engineering, 2 Aug. 2026 Those who are dissatisfied with the way things are are catalysts in the making of a better world. — Adrienne Lafrance, The Atlantic, 2 Aug. 2026 Using travel as a catalyst, Bowser aims to unearth the unique and underrepresented stories that shape our world. — Martie Bowser, Forbes.com, 1 Aug. 2026 One tiny decision can act as a huge catalyst for your life path to unfold in a new way. — Meghan Rose, Glamour, 1 Aug. 2026 See All Example Sentences for catalyst

Recent Examples of Synonyms for catalyst

Noun

The government stimulus, however, threatened to deepen the fiscal challenges faced by Japan, whose public debt stands at more than 200% of gross domestic product.

— Max Zahn, ABC News, 6 Aug. 2026
And Obama was being seen at the time as being completely irresponsible in pursuing stimulus.

— David Frum, The Atlantic, 29 July 2026

Definition of stimulus

Noun

Fundraising followed to raise just enough fuel to reach the next milestone.

— Michael Wee, Forbes.com, 3 Aug. 2026
These supply-chain upheavals have mounted pressures on certain industries like aviation, where jet fuel costs have soared, and agriculture, which has dealt with shortages of key chemicals used in fertilizers as a result of Strait of Hormuz closures.

— Sasha Rogelberg, Fortune, 3 Aug. 2026

Definition of fuel

Noun

What used to be just a one-button trigger to call up an app has evolved into a multi-button, multi-input device for supervising and orchestrating multiple AI tools and agents at once.

— Brian Westover, PC Magazine, 3 Aug. 2026
Approve the pull request, trigger pipelines in unrelated projects, copy confidential wiki pages into a comment where the attacker could collect them.

— Jon Markman, Forbes.com, 2 Aug. 2026

Definition of trigger

Noun

Finally, heading off to senior year wearing a Care Bears backpack could be a coping mechanism that helps teens deal with fears about the future.

— Melissa Willets, Parents, 8 Aug. 2026
The two-sided rule would not apply to parlays, which execute through a different trading mechanism called Request for Quote.

— Dan Bernstein, Sportico.com, 7 Aug. 2026

Definition of mechanism

Noun

Charming, impulsive, and incapable of leaving a wound alone, Rodney is the sibling most likely to turn a spark into an inferno.

— Rosy Cordero, Deadline, 6 Aug. 2026
Investigators said Smith was operating spark-producing equipment in vegetation without complying with state fire prevention requirements.

— Richard Ramos, CBS News, 5 Aug. 2026