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 Sometimes an awakening is a catalyst of the breakup—the version of the self that entered the relationship is no longer recognizable. — Literary Hub, 17 Sep. 2026 The movement’s tiny footprint became a catalyst for experimentation, giving Blancpain’s designers unusual freedom, resulting in Ladybird watches concealed within bracelets, cuffs, rings, and pendants. — Taylor Stoddard, Robb Report, 17 Sep. 2026 Citi opened a 90-day positive catalyst watch on Meta Platforms ahead of the company's Connect conference next week. — Jim Cramer, CNBC, 16 Sep. 2026 Carpenter said the homes will likely be a catalyst for more growth along Highway 10, and said property values could also increase in the area. — Elizabeth Campbell, Fort Worth Star-Telegram, 16 Sep. 2026 See All Example Sentences for catalyst

Recent Examples of Synonyms for catalyst

Noun

The goal is to spread out the incoming traffic and economic stimulus beyond the major hubs and peak tourist seasons of July and August.

— CNT Editors, Condé Nast Traveler, 22 Sep. 2026
Another compartment for the negative stimuli, such as the spray or shock.

— BestReviews, Chicago Tribune, 18 Sep. 2026

Definition of stimulus

Noun

Instead, a conflict that closes airspace or a spike in fuel costs may force his team to react.

— Chris Dong, Condé Nast Traveler, 21 Sep. 2026
Brown and other firefighters said delayed, disorganized fire responses have become common around the West as staffing thinned since last year's cuts, and as climate change and urban sprawl fuel a changing wildfire landscape.

— Emily Mae Czachor, CBS News, 21 Sep. 2026

Definition of fuel

Noun

Brennan said 75 percent of bids in Christie’s luxury auctions now arrive through its online tools.

— Daniel Cassady, ARTnews.com, 23 Sep. 2026
Researchers found that the Windows branch could use PowerShell and other tools to eventually load malware directly into memory.

— Kurt Knutsson, FOXNews.com, 23 Sep. 2026

Definition of tool

Noun

Agents can call APIs, query databases, retrieve documents, invoke other models, generate files, trigger workflows, connect to SaaS platforms and even delegate work to other agents.

— Nicola Sfondrini, Forbes.com, 15 Sep. 2026
Environmental critics called that assertion a lie, arguing the rollback will cause thousands of unnecessary deaths from pollution and trigger billions of dollars in additional health care costs.

— Jordan Blum, Fortune, 15 Sep. 2026

Definition of trigger

Noun

The findings therefore point specifically to an association with birthweight rather than demonstrating that rare earth exposure causes restricted fetal growth.

— Bojan Stojkovski, Interesting Engineering, 21 Sep. 2026
Is John finally taking on the mantle of Green Lantern, albeit for a very different cause?

— Siddhant Adlakha, Vulture, 21 Sep. 2026

Definition of cause

Noun

Habeas corpus, which allows a defendant to challenge the legality of their imprisonment, is among several mechanisms for release, some of which depend on a detainee’s location.

— Andrew Carter, Chicago Tribune, 20 Sep. 2026
This is also a mechanism that can support the scaling and financing of new industrial companies in clean tech, and the investment in new sustainable technologies.

— Prabhat Ranjan Mishra, Interesting Engineering, 18 Sep. 2026

Definition of mechanism

Noun

The original impetus for quantum cosmology is to do with the fact that the Big Bang model is based on quantum matter, but classical gravity.

— Quanta Magazine, Quanta Magazine, 17 Sep. 2026
The Lighthouse’s headquarters hadn’t been upgraded since the 1980s, Allen said, so the collapse provided the impetus to bring the facility into the 21st century.

— Matthew Adams, Fort Worth Star-Telegram, 17 Sep. 2026

Definition of impetus

Noun

After a dismal outing on Sunday, the Indiana Fever got their spark back on Tuesday, cruising to a 96–77 win over the league-best Minnesota Lynx in their final game at Gainbridge Fieldhouse of the regular season.

— Alejandro Avila OutKick, FOXNews.com, 23 Sep. 2026
But every infected traveler is a spark, and in warm states the tinder is already there.

— Andrés Henao, CNN Money, 21 Sep. 2026