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.
Sandbags have been replaced in key areas, and crews are now pushing to get the hydroelectric powerhouse back online to help redirect water and relieve pressure on the dam. Terrance Friday, CBS News, 17 Apr. 2026 Featuring powerhouse voices from Netflix’s upcoming 2026 slate, the conversation will explore the craft, culture, and community shaping a new era of Black television from writers’ rooms and directors’ chairs to unforgettable on screen performances. Marcus Jones, IndieWire, 16 Apr. 2026 While perennial powerhouses like Germany and France have higher expectations than happy-to-be-here Scotland and Austria, in the end this tournament is a giant, collective celebration of football. Tribune Content Agency, Baltimore Sun, 16 Apr. 2026 The location has been home to various eateries over the years — most recently, Cheebo — and Skylight will have to bring in some construction powerhouses to tear out a massive pizza oven and commercial kitchen to make way for the books. Emily St. Martin, Los Angeles Times, 16 Apr. 2026 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

Browse Nearby Words

Cite this Entry

“Powerhouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/powerhouse. Accessed 19 Apr. 2026.

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

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