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Definitions

catalyst

[kat-l-ist] / ˈkæt l ɪst /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“It was the catalyst for us realizing we were serious.”

From Los Angeles Times • Jul. 1, 2026

The new Nvidia partnership might just be the catalyst to propel shares higher.

From Barron's • Jun. 29, 2026

In that event, U.S. stocks may have a meaningful upside catalyst hiding in plain sight.

From MarketWatch • Jun. 29, 2026

The catalyst: a muckraking YouTuber named “Reckless Ben,” who stormed into town on a mission to recover the toy bricks for an ailing retiree’s family.

From The Wall Street Journal • Jun. 26, 2026

I may have been a catalyst for rebellion, but a leader should be someone with conviction, and I’m barely a convert myself.

From "Catching Fire" by Suzanne Collins




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