indefatigable

adjective

in·​de·​fat·​i·​ga·​ble ˌin-di-ˈfa-ti-gə-bəl How to pronounce indefatigable (audio)
: incapable of being fatigued : untiring
an indefatigable worker
indefatigability noun
indefatigableness noun
indefatigably adverb

Examples of indefatigable in a Sentence

a person of indefatigable patience an indefatigable laborer who can work from sunrise to sunset
Recent Examples on the Web
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Covering all of this has been our indefatigable team of experienced reporters and editors in Washington, D.C.; New York City; and around the world. Sam Jacobs, TIME, 24 Oct. 2024 As part of the partnership, Mercedes will offer guests at each concert a ride-and-drive fleet comprising SL roadsters, Maybach EQS SUVs, and examples of the indefatigable G-Class, each equipped with special-order Manufaktur colorways and options. Brett Evans, Robb Report, 19 Oct. 2024 Garcia is currently Democrats' freshman class president and has served as a campaign co-chair for the Biden and Harris campaigns – making headline as a loyal and indefatigable defender of both candidates. Andrew Solender, Axios, 17 Oct. 2024 With a main-event story line that included dominant champ Roman Reigns, indefatigable challenger Cody Rhodes, bold ally Seth Rollins, and arrogant celebrity the Rock, fan attention was at its height heading into WrestleMania XL. Daniel Dockery, Vulture, 10 Apr. 2024 See all Example Sentences for indefatigable 

Word History

Etymology

Middle French, from Latin indefatigabilis, from in- + defatigare to fatigue, from de- + fatigare to fatigue

First Known Use

1608, in the meaning defined above

Time Traveler
The first known use of indefatigable was in 1608

Dictionary Entries Near indefatigable

Cite this Entry

“Indefatigable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/indefatigable. Accessed 14 Nov. 2024.

Kids Definition

indefatigable

adjective
in·​de·​fat·​i·​ga·​ble ˌin-di-ˈfat-i-gə-bəl How to pronounce indefatigable (audio)
: capable of working a long time without tiring : tireless
an indefatigable teacher
indefatigably adverb

More from Merriam-Webster on indefatigable

Last Updated: - Updated example sentences
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