catalyst

Meaning

A person or thing that precipitates an event or change.

An element that accelerates a process or change.

A person or thing that precipitates an event or change

Example Sentences

His speech acted as a catalyst for change in the community.

The new policy acted as a catalyst for economic growth.

The new policy acted as a catalyst for economic growth.

Synonyms

stimulus, trigger, accelerator, promoter, activator, facilitator

Entry 1

stimulus, trigger

Entry 2

stimulus, accelerator, trigger

Entry 3

stimulus, trigger, accelerator, promoter, activator, facilitator

Antonyms

obstacle, hindrance, prevention, barrier, impediment, deterrent, inhibitor

Entry 1

obstacle, hindrance

Entry 2

hindrance, obstacle, prevention

Entry 3

hindrance, obstacle, barrier, impediment, deterrent, inhibitor