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Definition of powerhouse

powerhouse

/ˈpaʊ.ɚˌhaʊs/
pow · er · house
Plural:powerhouses
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powerhouse Lexical Profile

powerhouse Game Scores & Validity

• noun

1

A person, organization, team, or country having great energy, strength, or influence.

Example

"Through decades of investment in research and technology, the university has become an academic powerhouse."

2

An industrial building or facility where electrical or mechanical power is generated for distribution.

Example

"The historic brick powerhouse beside the dam still houses the original hydroelectric turbines."

Synonyms
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Antonyms
View all antonyms for powerhouse

• Nearby Words

powerful
powerfully
powerfulness
powerhouse
powerless
powerlessly
powerlessness

Word Origin & Etymology

Coined in late 19th-century American English as a compound of 'power' and 'house' to describe a building containing electrical generators; the figurative sense of an energetic or dominant person or group emerged in the early 20th century.

Cite this Entry

Wordmom. (2026). Definition of Powerhouse. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/powerhouse
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