prime mover


Definition of prime mover

1a : an initial source of motive power (such as a windmill, waterwheel, turbine, or internal combustion engine) designed to receive and modify force and motion as supplied by some natural source and apply them to drive machinery
b : a powerful tractor or truck usually with all-wheel drive
2 : the self-moved being that is the source of all motion
3 : the original or most effective force in an undertaking or work education is … a prime mover of cultural and societal change— R. C. Buck

Examples of prime mover in a Sentence

She was the prime mover behind the town's annual summer festival.
Recent Examples on the Web Industry reintroduces the innocence lost narrative as the prime mover of the story. Adario Strange, Quartz, 8 Aug. 2022 Pet lover, dog mom and prime mover of the MuttNation Foundation, a nonprofit that helps rescue animals and shelters. Mary Colurso |, al, 28 July 2022 The world’s well-heeled are fond of jaunts to the capital, too, which leaves them liable to the UHNWI equivalent of process serving, according to Christopher Bogart, CEO of Burford Capital, another prime mover in the asset recovery sector. Mark Ellwood, Robb Report, 6 Apr. 2022 Poor, who’s been a prime mover for Secret Stages since its inception, pointed to other factors, too. Mary Colurso |, al, 16 Mar. 2022 Finally, Trump empowered Rudy Giuliani, his former attorney and New York City mayor, to be a prime mover on this area of policy. Julian Zelizer, CNN, 4 Mar. 2022 The Tribune noted that crime is the prime mover of this growing trend in their piece, also fueled by the financial and emotional stress of the coronavirus. Kevin L. Clark, Essence, 8 Mar. 2022 Energy is the most critical element of life and the prime mover of all things. Eric Kaufmann, Forbes, 3 Jan. 2022 Its prime mover was a Republican state representative from suburban Bucks County, Todd Polinchock. NBC News, 13 Jan. 2022 See More

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.

First Known Use of prime mover

1795, in the meaning defined at sense 1a

History and Etymology for prime mover

(sense 2) translation of Medieval Latin prīmum mōbile, prīmus mōtus, prīmus mōtor or other variants

Note: See also etymology at primum mobile.

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Time Traveler for prime mover

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The first known use of prime mover was in 1795

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Dictionary Entries Near prime mover

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prime mover

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Last Updated

18 Aug 2022

Cite this Entry

“Prime mover.” Dictionary, Merriam-Webster, Accessed 19 Aug. 2022.

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More Definitions for prime mover

prime mover

\ ˈprīm-ˈmü-vər How to pronounce prime mover (audio) \

Medical Definition of prime mover


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