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
Sweden led by powerhouse skier Jonna Sundling took gold, with Switzerland winning silver and Germany bronze.
—
Brian Mann, NPR, 18 Feb. 2026
The 2025 edition, which was Pollstar's Global 2025 Festival of the year, set the bar sky‑high with a record‑breaking crowd and powerhouse headliners like The Lumineers, Benson Boone, Alabama Shakes, Phish, Sturgill Simpson, and Noah Kahan.
—Kirby Adams, Louisville Courier Journal, 18 Feb. 2026
Amanda Robles as The Lady of the Lake packs a vocal powerhouse that is both legitimately in place as well as spoofily on display.
—Christopher Smith, Oc Register, 18 Feb. 2026
Not Elizabeth Arden the person—otherwise known as Florence Graham, pioneer of American beauty culture—but Elizabeth Arden the powerhouse brand that has circulated the myth.
—Literary Hub, 18 Feb. 2026
See All Example Sentences for powerhouse
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Brian Mann, NPR, 18 Feb. 2026
The 2025 edition, which was Pollstar's Global 2025 Festival of the year, set the bar sky‑high with a record‑breaking crowd and powerhouse headliners like The Lumineers, Benson Boone, Alabama Shakes, Phish, Sturgill Simpson, and Noah Kahan.
—Kirby Adams, Louisville Courier Journal, 18 Feb. 2026
Amanda Robles as The Lady of the Lake packs a vocal powerhouse that is both legitimately in place as well as spoofily on display.
—Christopher Smith, Oc Register, 18 Feb. 2026
Not Elizabeth Arden the person—otherwise known as Florence Graham, pioneer of American beauty culture—but Elizabeth Arden the powerhouse brand that has circulated the myth.
—Literary Hub, 18 Feb. 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 23 Feb. 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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