Definition of prime mover
- education is … a prime mover of cultural and societal change
- —R. C. Buck
She was the prime mover behind the town's annual summer festival.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'prime mover.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a person or thing that starts something or that has a very powerful influence on something
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