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

Sienna Spiro The British soul singer has been one of the buzziest acts in the industry this year, with a generational voice drawing comparisons to fellow English powerhouses Adele and Amy Winehouse. — Ethan Millman, HollywoodReporter, 7 Oct. 2026

Among its biggest winners are vocal powerhouses Adele and Olivia Rodrigo, though the category is not without its surprises. — Jaeden Pinder, Rolling Stone, 7 Oct. 2026

Anthropic, a powerhouse AI company that could be valued at $2 trillion, is expected to go public this year, creating another major opportunity for Wall Street banks to haul in fees from underwriting and trading activity. — John Towfighi, CNN Money, 6 Oct. 2026

Get this expansive 65-inch QLED powerhouse with a huge 42% discount for a Prime Day win! — Juhi Wadia, PC Magazine, 6 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