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.

The next major catalysts for the stock, according to Baird’s Ben Kallo, include the unveiling and start of production of Tesla’s delayed Optimus humanoid robot and new energy products.

From MarketWatch • Jul. 1, 2026

The potential split of the Knicks and Rangers into separate companies and the Knicks’ championship win are catalysts for the stock’s rise.

From Barron's • Jun. 18, 2026

That performance is approximately three times higher than that of conventional commercial Cu/Zn/Al catalysts.

From Science Daily • Jun. 14, 2026

“While a short-term top may be in near $3.39/mmBtu, unexpected bullish catalysts could trigger a run higher and threaten a wider short-covering event.”

From The Wall Street Journal • Jun. 8, 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