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

Víkingur Kristjánsson, Anita Briem, Teitur Magnússon and Anna Gunndís Guðmundsdóttir are co-writers, meaning a powerhouse Icelandic creative team. — Stewart Clarke, Deadline, 21 Oct. 2026

He was born and raised in a small rural community in Oklahoma, hundreds of miles west of the Ivy League powerhouses to the east. — Literary Hub, 20 Oct. 2026

Carney said that the result would allow Canadians to move forward together and accelerate efforts to diversify trade, develop major infrastructure projects and make Canada a global energy powerhouse, with Alberta at its center. — ABC News, 20 Oct. 2026

And India, which aspires to be an AI powerhouse, is welcoming them. — Aakash Hassan, Christian Science Monitor, 19 Oct. 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