powerhouse

noun

pow·​er·​house ˈpau̇(-ə)r-ˌhau̇s How to pronounce powerhouse (audio)
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.
Norway once rated behind Denmark and Sweden as a high-quality TV powerhouse. John Hopewell, Variety, 30 Apr. 2025 Rosé and Mars Still Own the All-Time Record Gaga and Mars still trail behind another global powerhouse. Hugh McIntyre, Forbes.com, 29 Apr. 2025 And no conviction in recent memory was bigger than the epic February takedown of Chicago Democratic powerhouse and former Illinois House Speaker Michael Madigan, the longest-serving speaker in American history. Chicago Tribune, 28 Apr. 2025 While dry fruits and nuts are nutrient-dense powerhouses, they’re not all created equal in the world of wellness. Faye Remedios, Vogue, 27 Apr. 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 5 May. 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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