prime mover
noun
1
a
: 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
R. C. BuckExamples of prime mover in a Sentence
She was the prime mover behind the town's annual summer festival.
Recent Examples on the Web
Yet that is an odd complaint for Washington to make, since at the WTO’s creation, in 1995, the United States was the prime mover behind the dispute settlement system and insisted on stronger rules and tougher enforcement mechanisms than in the previous General Agreement on Tariffs and Trade.
—Douglas A. Irwin, Foreign Affairs, 6 Nov. 2018
The prime mover within the organization — the largest user — was the U.S. signatory, the Communications Satellite Corporation, or Comsat.
—Neal B. Freeman, National Review, 17 Sep. 2024
Some faculty brought up the spectre of student evaluations, which has been cited as a prime mover behind grade inflation and can also factor into decisions about tenure and contract renewals.
—Jessica Winter, The New Yorker, 3 Sep. 2024
The prime movers behind the daylong festivals are Lesh’s sons, Grahame, 37, and Brian, 34.
—Paul Liberatore, The Mercury News, 21 June 2024
See all Example Sentences for prime mover 
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Douglas A. Irwin, Foreign Affairs, 6 Nov. 2018
The prime mover within the organization — the largest user — was the U.S. signatory, the Communications Satellite Corporation, or Comsat.
—Neal B. Freeman, National Review, 17 Sep. 2024
Some faculty brought up the spectre of student evaluations, which has been cited as a prime mover behind grade inflation and can also factor into decisions about tenure and contract renewals.
—Jessica Winter, The New Yorker, 3 Sep. 2024
The prime movers behind the daylong festivals are Lesh’s sons, Grahame, 37, and Brian, 34.
—Paul Liberatore, The Mercury News, 21 June 2024
See all Example Sentences for prime mover
Dictionary Entries Near prime mover
Cite this Entry
“Prime mover.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prime%20mover. Accessed 14 Nov. 2024.
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prime mover
noun
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