CATALYSTS Synonyms: 64 Similar and Opposite Words

catalysts

noun

plural of catalyst

as in fuels

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

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 catalysts The market is overbought, leadership is narrow, and macro catalysts remain stacked against it. —

Tony Zhang, CNBC, 13 May 2026 This differs from traditional catalysts that tend to use either single atom mateirals or nanoparticles. —

Christopher McFadden, Interesting Engineering, 10 May 2026 What’s especially remarkable is that this process doesn’t rely on any heat, chemical curing or external catalysts. —

Scott Travers, Forbes.com, 9 May 2026 That would change with railroads and citrus — catalysts in the first of many times residents would reshape the region’s environment. —

Stephen Hudak, The Orlando Sentinel, 4 May 2026 The previous two cycles saw TCU sign some of the biggest names in the sports, Hailey Van Lith and Olivia Miles, with both players being catalysts for deep NCAA Tournament runs. —

Steven Johnson, Fort Worth Star-Telegram, 29 Apr. 2026 And there are few catalysts on the horizon. —

Brett Owens, Forbes, 23 Mar. 2025 With few near-term catalysts and shares at a key technical level that often signals losses, market watchers are warning of more disappointment ahead. —

Bloomberg, The Mercury News, 21 Mar. 2025

Recent Examples of Synonyms for catalysts

Noun

Cars can use cleaner fuels; shipping and logistics can choose lower-emission options; and more buildings can use renewable energy.

— Caitlin Grady, The Conversation, 19 May 2026
The Liquid Oxygen Flight demonstration (LOXSAT) will launch to orbit around the Earth later this year to test the fluid management capabilities that will be needed to maintain cryogenic fuels in microgravity, which come with additional challenges compared to other propellants.

— Josh Dinner, Space.com, 19 May 2026