relentless

adjective

re·​lent·​less ri-ˈlent-ləs How to pronounce relentless (audio)
: showing or promising no abatement of severity, intensity, strength, or pace : unrelenting
relentless pressure
a relentless campaign
relentlessly adverb
relentlessness noun

Examples of relentless in a Sentence

Her relentless optimism held the team together. The hunter was relentless in pursuit of his prey. a relentless opponent of deregulation
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.
Google’s index ballooned as its crawlers struggled to process this relentless deluge of pages. Ivan Guzenko, Forbes.com, 24 Apr. 2025 Still, Starks is a natural leader with a relentless motor who isn't afraid to make contact. Thomas G. Moukawsher, MSNBC Newsweek, 24 Apr. 2025 Kyle Tucker and Pete Crow-Armstrong launched home runs, part of a relentless lineup that generated 17 hits. Patrick Mooney, New York Times, 23 Apr. 2025 Through relentless research and serendipity, Casey was able to assemble an extraordinary collection of personal documents preserved by the descendants of his subjects. Foreign Affairs, 22 Apr. 2025 See All Example Sentences for relentless

Word History

First Known Use

1592, in the meaning defined above

Time Traveler
The first known use of relentless was in 1592

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Cite this Entry

“Relentless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/relentless. Accessed 30 Apr. 2025.

Kids Definition

relentless

adjective
re·​lent·​less ri-ˈlent-ləs How to pronounce relentless (audio)
: not lessening in severity, intensity, strength, or pace : unrelenting
relentless criticism
relentlessly adverb
relentlessness noun

More from Merriam-Webster on relentless

Last Updated: - Updated example sentences
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