powerhouse

noun

pow·​er·​house ˈpau̇(-ə)r-ˌhau̇s How to pronounce powerhouse (audio)
Synonyms of powerhousenext
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

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The key to this anti-aging powerhouse in a jar is NCEF. Cathy Nelson, InStyle, 27 Feb. 2026 Korean, with a Latin twist K-pop powerhouses BTS and KATSEYE are headed to Colombia, showcasing just how huge the phenomenon has become. Alexandra Banner, CNN Money, 26 Feb. 2026 After 37 years of coaching, Reiser had reached the top – cultivating a group of five senior starters into a team that was able to beat powerhouses like Windsor, East Catholic and Northwest Catholic – and then New London, 77-74, in the Division II championship game at Mohegan Sun last March. Lori Riley, Hartford Courant, 26 Feb. 2026 In Fort Worth, fans can expect a visually elaborate production, powerhouse vocals and a set list spanning new material and classic hits — the kind of maximalist pop show Gaga has spent nearly two decades perfecting. Travis Pinson, Dallas Morning News, 26 Feb. 2026 See All Example Sentences for powerhouse

Word History

First Known Use

1870, in the meaning defined at sense 1a

Time Traveler
The first known use of powerhouse was in 1870

Browse Nearby Words

Cite this Entry

“Powerhouse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/powerhouse. Accessed 3 Mar. 2026.

Kids Definition

powerhouse

noun
pow·​er·​house ˈpau̇(-ə)r-ˌhau̇s How to pronounce powerhouse (audio)
1
2
: a person or thing having unusual strength or energy

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