powerhouse
noun
pow·er·house
ˈpau̇(-ə)r-ˌhau̇s 
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
Synonyms of powerhouse
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
The story makes stops in Milan, Barcelona and Tehran, and goes on detours through a Jewish powerhouse club in pre-war Vienna, and soccer’s place in the American culture wars.
—
Leander Schaerlaeckens
june 8, Literary Hub, 8 June 2026
The powerhouse roundtable on how Platner and Democrats are responding, and a look at the Senate map and the impact this race could have this November.
—ABC News, 7 June 2026
For its part, Mammoth is trying to prove itself as the kind of company with the ability to help upstarts become personal care powerhouses.
—Amelia Lucas,melissa Repko, CNBC, 7 June 2026
The Bay Area missed out on hosting powerhouse nations such as Germany, Spain, Brazil or France, but the eight countries set to descend on the region still have a healthy amount of star power on their rosters, even if there is no Lionel Messi or Lamine Yamal to be seen.
—Joseph Dycus, Mercury News, 7 June 2026
See All Example Sentences for powerhouse
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Leander Schaerlaeckens
june 8, Literary Hub, 8 June 2026
The powerhouse roundtable on how Platner and Democrats are responding, and a look at the Senate map and the impact this race could have this November.
—ABC News, 7 June 2026
For its part, Mammoth is trying to prove itself as the kind of company with the ability to help upstarts become personal care powerhouses.
—Amelia Lucas,melissa Repko, CNBC, 7 June 2026
The Bay Area missed out on hosting powerhouse nations such as Germany, Spain, Brazil or France, but the eight countries set to descend on the region still have a healthy amount of star power on their rosters, even if there is no Lionel Messi or Lamine Yamal to be seen.
—Joseph Dycus, Mercury News, 7 June 2026
See All Example Sentences for powerhouse
Cite this Entry
“Powerhouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/powerhouse. Accessed 9 Jun. 2026.
Copy CitationKids Definition
powerhouse
noun
pow·er·house
ˈpau̇(-ə)r-ˌhau̇s
1
2
: a person or thing having unusual strength or energy
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