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 of powerhouse

• achiever
• hustler
• highflier
• enterpriser
• self-starter
• go-getter
• go-ahead
• live wire

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

Strong, reliable currencies were critical in enabling the small countries of Holland and Britain to become global powerhouses. —Steve Forbes, Forbes.com, 29 Jan. 2026

The birth of Endeavor startled Hollywood, but Endeavor’s subsequent takeover of powerhouse William Morris shook the town to its core. —Mike Fleming Jr, Deadline, 29 Jan. 2026

The strengthening conditioner is infused with a powerhouse blend of rosemary oil and mint, both botanical-rich ingredients known to aid hair growth and strengthen long locks. —Melony Forcier, InStyle, 29 Jan. 2026

The film is set to open in the rest of Scandinavia via distribution powerhouse Scanbox Entertainment. —John Hopewell, Variety, 28 Jan. 2026

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