as in stimulus
something that arouses action or activity
Her expulsion from the university proved to be a catalyst for needed change.
Related Words
Relevance
Dissimilar Words
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of catalyst
Marche’s successful innovation focus, Cannes Next, was the catalyst to bring a similar initiative to AFM.
—
Jill Goldsmith, Deadline, 20 Oct. 2025
Because of the crucial role the Southern Ocean plays in mitigating this catalyst for climate change, AWI researchers have been studying this marine environment.
—Maria Mocerino, Interesting Engineering, 19 Oct. 2025
Young was a catalyst for the defense’s overtime performance.
—Maddie Hartley, Kansas City Star, 19 Oct. 2025
As nations and companies race to commercialize orbit and explore the moon and beyond, the ceremony serves as both a celebration and a catalyst, showcasing how space technologies and partnerships can shape a more connected and sustainable future on Earth.
—Samantha Mathewson, Space.com, 18 Oct. 2025
See All Example Sentences for catalyst
Jill Goldsmith, Deadline, 20 Oct. 2025
Because of the crucial role the Southern Ocean plays in mitigating this catalyst for climate change, AWI researchers have been studying this marine environment.
—Maria Mocerino, Interesting Engineering, 19 Oct. 2025
Young was a catalyst for the defense’s overtime performance.
—Maddie Hartley, Kansas City Star, 19 Oct. 2025
As nations and companies race to commercialize orbit and explore the moon and beyond, the ceremony serves as both a celebration and a catalyst, showcasing how space technologies and partnerships can shape a more connected and sustainable future on Earth.
—Samantha Mathewson, Space.com, 18 Oct. 2025
See All Example Sentences for catalyst
Recent Examples of Synonyms for catalyst
Noun
-
Chinese shares had recently rallied to a multi-year high on expectations of government stimulus and a recent inflow of foreign capital into Chinese equities.—
Lee Ying Shan,
CNBC,
13 Oct. 2025
-
Soon after her election, the yen hit a new low amid expectations of major fiscal stimulus.—
Hanako Montgomery,
CNN Money,
11 Oct. 2025
Noun
-
While the airports are run by the county government, their funding comes from fuel sales, retail revenue and the fees airlines pay to run flights in and out of Miami.—
Douglas Hanks,
Miami Herald,
17 Oct. 2025
-
The deal allows Aramco to raise external funding to support its Jafurah gas project — a key part of the company’s plan to increase gas production by 60% to meet rising demand for the fuel.—
Matthew Martin,
semafor.com,
17 Oct. 2025
Noun
-
For Lauren, the idea for their current AI tool began 25 years ago.—
Tharin Pillay,
Time,
23 Oct. 2025
-
But your browser is where all of your work, tools, and context come together.—
Sheryl Estrada,
Fortune,
22 Oct. 2025
Noun
-
Whatever the trigger was, to prevent recurrence of the calamity, degassing facilities were installed at Lakes Monoun and Nyos to remove the continual buildup of carbon dioxide gas.—
Literary Hub,
Literary Hub,
22 Oct. 2025
-
Pregnancy is another major trigger, as the growing uterus puts pressure on pelvic veins and pregnancy hormones relax blood vessel walls.—
Daryl Austin,
USA Today,
21 Oct. 2025
Noun
-
An official cause of death has not yet been released.—
Daniel Kreps,
Rolling Stone,
22 Oct. 2025
-
All the iconography and romanticism around the patriots’ noble cause can mask the contradictions of the era.—
Carlo Versano,
MSNBC Newsweek,
22 Oct. 2025
Noun
-
Their mechanisms of play have stayed constant, and present a challenge for Amorim to solve.—
Laurie Whitwell,
New York Times,
23 Oct. 2025
-
On April 23, while adjusting a grip mechanism beneath a car during a test run, the nearly 400-pound device slipped from its rigging.—
Michael Wells,
Kansas City Star,
22 Oct. 2025
Noun
-
And if Klopp felt the benefits of turning throw-ins into choreographed events, complete with long build-ups, would be outweighed in Liverpool’s case by a loss of attacking impetus, is there not something to be said for that?—
Oliver Kay,
New York Times,
16 Oct. 2025
-
Yet the attack would provide the impetus for the peace pact.—
Karl Vick,
Time,
11 Oct. 2025
Noun
-
Eight New York Jets showed pressure against just five available Broncos blockers, with the rest of Nix’s arsenal split out wide as Denver looked for a spark deep in its own territory.—
Luca Evans,
Denver Post,
17 Oct. 2025
-
This was the spark that reignited the discussions that would make Windham's dream a reality.—
Eve Chen,
USA Today,
16 Oct. 2025
Cite this Entry
“Catalyst.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/catalyst. Accessed 23 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share