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.
The final days of the project were fraught with a relentless quest to remain on schedule. Literary Hub, 7 Nov. 2025 For Thompson, the financial pressure is relentless. Jordan Greene, PEOPLE, 6 Nov. 2025 The film tells the story of Michael Jackson’s life beyond the music, tracing his journey from the discovery of his extraordinary talent as the lead of the Jackson Five, to the visionary artist whose creative ambition fueled a relentless pursuit to become the biggest entertainer in the world. Brian Welk, IndieWire, 6 Nov. 2025 Ukraine’s battle against Russia’s relentless drone assaults has found a powerful counter in the STING interceptor drone, a compact, fast, and cost-effective weapon designed to neutralize enemy UAVs mid-air. Kaif Shaikh, Interesting Engineering, 6 Nov. 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

Browse Nearby Words

Cite this Entry

“Relentless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/relentless. Accessed 12 Nov. 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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