exertion

noun

ex·​er·​tion ig-ˈzər-shən How to pronounce exertion (audio)
Synonyms of exertion
: the act or an instance of exerting
especially : a laborious or perceptible effort

Examples of exertion in a Sentence

He was panting from the exertion of climbing the stairs. an easy sport that requires little physical exertion
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.
All locomotion modes are limited by the metabolic scopes of organisms—the ratio between peak exertion and resting (or basal) metabolic rate. Literary Hub, 22 June 2026 A smoke advisory also was in effect for a broad area of East Los Angeles, with officials recommending that residents reduce outdoor exertion and that sensitive individuals stay inside. Sydney Barragan, Daily News, 18 June 2026 The push out of their respective comfort zones is sweaty, arduous, and, the series suggests, exactly the kind of exertion that sustains a relationship. Inkoo Kang, New Yorker, 15 June 2026 Intense exertion in high levels of heat and humidity could have dire health effects. Devika Rao, TheWeek, 12 June 2026 See All Example Sentences for exertion

Word History

First Known Use

circa 1676, in the meaning defined above

Time Traveler
The first known use of exertion was circa 1676

Browse Nearby Words

Cite this Entry

“Exertion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/exertion. Accessed 28 Jun. 2026.

Kids Definition

exertion

noun
ex·​er·​tion ig-ˈzər-shən How to pronounce exertion (audio)
: the act or an instance of exerting

More from Merriam-Webster on exertion

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster