Thesaurus.com
Dictionary.com
Showing results for catalyst. Search instead for cocatalys.
Definitions

catalyst

[kat-l-ist] / ˈkæt l ɪst /
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.

Some analysts think this is finally the year that Apple will unveil a foldable iPhone — and the impending launch has been hailed as a potential catalyst for the stock.

From MarketWatch • Apr. 7, 2026

"Everybody was trying to figure out, 'How did DeepSeek do it?'. And it's really… been a very positive catalyst for the Chinese AI ecosystem."

From BBC • Apr. 7, 2026

For cryptos, there’s another catalyst that could be pushing prices higher—Strategy, the largest corporate holder of Bitcoin.

From Barron's • Apr. 6, 2026

For one, Materne thinks growing adoption of “usage-based” performance metrics is one potential catalyst.

From MarketWatch • Apr. 6, 2026

Perhaps there is some special inorganic, nonliving catalyst in the soil that is able to fix atmospheric gases and convert them into organic molecules.

From "Cosmos" by Carl Sagan