CATALYST Synonyms: 59 Similar and Opposite Words

catalyst

noun

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 Ball served as the catalyst, pushing the Hornets (37-34) in a game needed to keep pace with the likes of Atlanta, Orlando, Miami and Philadelphia in the Eastern Conference play-in tournament picture. —

Roderick Boone, Charlotte Observer, 22 Mar. 2026 If the New York Times bestseller was a catalyst stateside, what drove convinced people to go abroad? —

Anthony D'alessandro, Deadline, 22 Mar. 2026 An unusually strong and sprawling heat dome is the catalyst for the heat, but the magnitude is undoubtedly being worsened by planet-warming pollution. —

Chris Dolce, CNN Money, 20 Mar. 2026 Goodtime was one of the big catalysts of that initiative, said Ciraldo. —

Andres Viglucci, Miami Herald, 20 Mar. 2026 See All Example Sentences for catalyst

Recent Examples of Synonyms for catalyst

Noun

But there are a number of reasons to file tax returns even when they’re not strictly required, including claiming tax credits, getting back income tax withheld from paychecks or retirement accounts, and getting access to any future government stimulus payments that might be offered.

— Liz Weston, San Diego Union-Tribune, 29 Mar. 2026
Unlike conventional systems that are often heavy and mechanically complex, this lightweight material responds to external stimuli such as heat.

— Jijo Malayil, Interesting Engineering, 26 Mar. 2026