Thesaurus.com
Dictionary.com
Definitions

prime mover



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.

There’s also a shout out to Danny Gold, the prime mover behind the Israel Defense Forces’ Iron Dome, which was developed in the teeth of opposition from the State Comptroller of Israel.

From The Wall Street Journal • Apr. 16, 2026

AI has now gone from a cool toy to a prime mover of both the economy and the stock market.

From Barron's • Oct. 10, 2025

Murdoch’s odds-on successor at the point is probably his son, Lachlan Murdoch, whom some reporters have credited with being the prime mover behind the Carlson decision, along with Suzanne Scott.

From Slate • May 1, 2023

Despite the claims of pioneering research, they could "only identify significant amounts of money passing to Paul Waugh as its prime mover".

From BBC • Apr. 4, 2023

“It is the king who is burning the books, is it not? Well, his mother, Blanche of Castile, is the prime mover, I am sure. But I gather that the king is collaborating enthusiastically.”

From "The Inquisitor's Tale" by Adam Gidwitz