powerhouse
Americannoun
-
Electricity. a generating station.
-
a person, group, team, or the like, having great energy, strength, or potential for success.
noun
-
an electrical generating station or plant
-
informal a forceful or powerful person or thing
Usage
What does powerhouse mean? A powerhouse is a powerful, forceful, or dominant person, group, or thing. In a literal sense, a powerhouse is a station or plant that generates electricity. Although it can still be used this way, terms like power plant and power station are much more common. Powerhouse is far more commonly used in the figurative way, especially in context of sports and business. Example: Because they always win, they can always recruit the best players, which makes them a perennial powerhouse in the conference.
Other Word Forms
Etymology
Origin of powerhouse
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.
Experts are increasingly warning of a "China shock 2.0", with a glut of inexpensive goods made in the Asian powerhouse threatening manufacturers around the world as trade deficits widen.
From Barron's • Jun. 9, 2026
USC coach Andy Stankiewicz is proud of the Trojans who bought into his vision, believing the dormant powerhouse could return to the top of college baseball.
From Los Angeles Times • Jun. 5, 2026
And that’s not counting on Canada, the other energy powerhouse next door and a close U.S. ally, Stuart added.
From MarketWatch • May 28, 2026
"It's a very difficult day. We came up against a real powerhouse of French rugby," said head coach Richie Murphy.
From BBC • May 22, 2026
International economists often describe South Korea as the single most impressive example of what free markets, democratic government, and elbow grease can do to transform a small agrarian backwater into a global powerhouse.
From "Escape from Camp 14: One Man's Remarkable Odyssey from North Korea to Freedom in the West" by Blaine Harden
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.