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catalysts

NOUN

something which incites activity

Synonyms

STRONGEST

impetus incentive motivation stimulant

STRONG

adjuvant agitator enzyme goad impulse incendiary incitation incitement reactant reactionary spur synergist

WEAK

radical stimulus spark plug wave maker

Antonyms

STRONGEST

block hindrance

WEAK

blockage preventer prevention

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.

“Most buyers of bitcoin are on pause until we are past some of the major unresolved catalysts this summer.”

From The Wall Street Journal • Jun. 3, 2026

He sees positive AI-driven catalysts for the 2027 fiscal year, especially across observability and identity.

From MarketWatch • Jun. 2, 2026

The study showed that BNCF100 could be regenerated at lower temperatures than existing water-splitting catalysts while continuing to produce hydrogen over 10 production cycles.

From Science Daily • Jun. 2, 2026

"I saw that last night with the PSG team, how important the full-backs are in how they're willing to go the other way and be real catalysts for those attacks," Upson said.

From BBC • May 31, 2026

Hearing about Rosa Parks and her protest showed me that there is hope for me and all the students in Ms. G’s classes to truly be catalysts for change.

From "The Freedom Writers Diary" by The Freedom Writers