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powerhouse

American  
[pou-er-hous] / ˈpaʊ ərˌhaʊs /

noun

powerhouses plural
  1. Electricity. a generating station.

  2. a person, group, team, or the like, having great energy, strength, or potential for success.


powerhouse British  
/ ˈpaʊəˌhaʊs /

noun

  1. an electrical generating station or plant

  2. informal a forceful or powerful person or thing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Etymology

Origin of powerhouse

First recorded in 1880–85; power + house

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.

Powerhouse batsman Tim David has only just returned from a hamstring tear suffered in December, while Stoinis injured his hand fielding in the shock defeat to Zimbabwe that left Australia on the brink of elimination.

From Barron's • Feb. 16, 2026

Powerhouse Australian sprinter Sam Welsford stormed home from well back for his seventh stage win in the Tour Down Under as Jay Vine remained the overall race leader on Friday.

From Barron's • Jan. 23, 2026

Henri Murison, chief executive of the Northern Powerhouse Partnership, an organisation set up to support the coordinated economic development of the north of England, said the plan provided a "clear route to higher productivity growth".

From BBC • Jan. 13, 2026

Appeared in the December 23, 2025, print edition as 'Cyber Powerhouse Israel Is Embarrassed by Hacks'.

From The Wall Street Journal • Dec. 23, 2025

I had Powerhouse everything, the full range, five of the same outfit in five different colors.

From "Born a Crime: Stories from a South African Childhood" by Trevor Noah

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