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powerhouse

noun

pow·​er·​house ˈpau̇(-ə)r-ˌhau̇s How to pronounce powerhouse (audio)
Synonyms of powerhousenext
1
b
: a source of influence or inspiration
2
: one having great power: such as
a
: one having great drive, energy, or ability
a powerhouse rock band
b
: an athletic team characterized by strong aggressive play

Examples of powerhouse in a Sentence

The country is an economic powerhouse. Their company became a powerhouse in the video game industry. She's a powerhouse on the tennis court. This year's team is a powerhouse that's winning its games easily. Seaweed is a powerhouse of vitamins and minerals. He is a powerhouse of ideas.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While the entire band was a powerhouse, as lead singer Malo brought not only strong, soulful vocals that could veer between a Roy Orbison-esque baritone croon and country twang, but a genial humor that often manifested itself during the group’s concerts. Jem Aswad, Variety, 9 Dec. 2025 Created by Kurt Sutter (Sons of Anarchy), the Netflix Western stars powerhouse performers Gillian Anderson and Lena Headey as matriarchs on opposite ends of the class divide in 1850s Oregon. Randall Colburn, Entertainment Weekly, 9 Dec. 2025 Over the course of his tenure, China has become a telecommunications powerhouse. Elizabeth Economy, Foreign Affairs, 9 Dec. 2025 Hercules and the Muses were all powerhouse vocalists, including Corey Bradford as the title character. Victoria Uwumarogie, Essence, 9 Dec. 2025 See All Example Sentences for powerhouse

Word History

First Known Use

1870, in the meaning defined at sense 1a

Time Traveler
The first known use of powerhouse was in 1870

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Cite this Entry

“Powerhouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/powerhouse. Accessed 10 Dec. 2025.

Kids Definition

powerhouse

noun
pow·​er·​house ˈpau̇(-ə)r-ˌhau̇s How to pronounce powerhouse (audio)
1
2
: a person or thing having unusual strength or energy

More from Merriam-Webster on powerhouse

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