powerhouse

noun

pow·​er·​house ˈpau̇(-ə)r-ˌhau̇s 

1

a

: power plant sense 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

• achiever
• highflyer
• hustler
• highflier
• enterpriser
• self-starter
• go-ahead
• go-getter

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

And the Canon Color imageClass MF753Cdw printer cuts through busy days with fast speeds, customizable controls, and easy Wi-Fi setup, now $168 off for a powerhouse office upgrade. —PC Magazine, 9 Sep. 2025

Solawave’s LightBoost Wand Activating Serum, which, in its own right, is a powerhouse that takes advantage of growth factors and neuropeptides to make skin firmer and more elastic. —Stacia Datskovska, Footwear News, 9 Sep. 2025

Reddit has transformed itself from a somewhat-seedy underground message board to a powerhouse database of mineable information. —Todd Gordon, CNBC, 9 Sep. 2025

Because in a plot twist worthy of a Hollywood script, John Force Racing—one of drag racing’s powerhouse dynasties—has its own announcement scheduled for Friday, with zero hints as to what’s coming. —Greg Engle, Forbes.com, 9 Sep. 2025

Word History

First Known Use

1870, in the meaning defined at sense 1a

Rhymes for powerhouse

• boardinghouse
• charterhouse
• clearinghouse
• coffeehouse
• customhouse
• firehouse
• meetinghouse
• motherhouse
• packinghouse
• pilothouse
• slaughterhouse
• summerhouse

Kids Definition

powerhouse

noun

pow·​er·​house ˈpau̇(-ə)r-ˌhau̇s 

1

: power plant

2

: a person or thing having unusual strength or energy