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

The theater quickly turned into a West Coast powerhouse, producing trailblazing work, including the plays of Brecht, Beckett and Pinter. — Theater Critic, Los Angeles Times, 15 Oct. 2026

Before Game 1 of the NLCS was played, Brewers general manager Matt Arnold was asked about the premise of small market teams like Milwaukee not being able to compete with powerhouse franchises like Los Angeles and the two teams in New York. — Isaac Tellechea, CNN Money, 14 Oct. 2026

Ukraine showed Trump how easily an enemy could cripple an AI powerhouse. — FOXNews.com, 14 Oct. 2026

From there, Cosay merged his business with fellow literary powerhouse agents Jim Berkus and Robert Stein to form Berkus-Cosay-Stein in 1982. — Cynthia Littleton, Variety, 14 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