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 The catalyst causes hydrogen peroxide to decompose rapidly into water and oxygen gas. — New Atlas, 18 July 2026 The latest catalyst was the release of a Chinese AI model that cast doubt on hyperscalers’ gargantuan spending plans. — Jason Ma, Fortune, 18 July 2026 Cities around the world have often used mega-events as catalysts for redevelopment. — Jeffrey Bennett, Time, 17 July 2026 Shares trade near the low end of historical multiples despite improving fundamentals and catalysts ahead. — Harvey Stober, CNBC, 16 July 2026 See All Example Sentences for catalyst

Recent Examples of Synonyms for catalyst

Noun

The next frontier of value will not be the fastest answer or the most personalized stimulus.

— Regan Peng, Forbes.com, 22 July 2026
Analysts said the persistence of such underlying weakness also raises the question of whether Chinese officials will turn to more fiscal stimulus to try and boost domestic spending.

— Stephanie Yang, CNN Money, 15 July 2026

Definition of stimulus

Noun

Its small size allows it to power cruise missiles and other autonomous platforms where weight, packaging and fuel efficiency directly affect range and payload capacity.

— Aamir Khollam, Interesting Engineering, 21 July 2026
Most of its strongest thunderstorms remain confined to the southern half of the circulation, while dry air continues to disrupt development despite fuel from near-record warm Gulf water.

— Briana Waxman, CNN Money, 21 July 2026

Definition of fuel

Noun

With Liverpool’s Premier League season opener away to Newcastle United four weeks tomorrow, Iraola doesn’t yet have all the tools required to ensure his reign gets off to a flyer.

— James Pearce, New York Times, 25 July 2026
Traditional surface-to-air missiles, or SAMs, remain among the most powerful tools available for defending airspace.

— Atharva Gosavi, Interesting Engineering, 25 July 2026

Definition of tool

Noun

Transfer restrictions often require company approvals or trigger rights of first refusal.

— Caroline Farah Lembck, Forbes.com, 20 July 2026
Given Holzinger’s notoriety, and her own ironic relationship to extremes, her use of trigger warnings, posted before every performance, may seem beside the point, or even hypocritical.

— Lauren Oyler, New Yorker, 20 July 2026

Definition of trigger

Noun

Foodbanks and Hillsborough Burnham has fundraised for the club’s charitable arm, Everton in the Community, and regularly championed fan causes.

— Patrick Boyland, New York Times, 20 July 2026
The cause of the fire has not been confirmed, but the fulfillment center holds flammables such as household products, paper boxes and vinyl packaging.

— Glenn Taylor, Footwear News, 20 July 2026

Definition of cause

Noun

So that was kind of the the impetus and interest inside of Amazon.

— Jennifer Maas, Variety, 23 July 2026
The visit also gave new impetus to economic ties, with both countries agreeing to rapidly increase bilateral trade, expand cooperation in economic forums such as the World Trade Organization, and establish a financial dialogue mechanism.

— Encyclopedia Britannica, Encyclopedia Britannica, 22 July 2026