relentless

adjective

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

Synonyms of relentless

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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.
Not even the relentless defense chants summoned from the Sparks’ MCs stopped her. — Assistant Sports Editor, Los Angeles Times, 7 July 2026 But eventually, that relentless work ethic inside and outside of the classroom paid off. — Preston Fore, Fortune, 6 July 2026 The timing of the recording reflects a band whose relentless touring had sharpened both its confidence and its new material. — Spin Staff, SPIN, 8 July 2026 Goldman’s victorious opponent, Lander, made these positions a relentless focus of his campaign. — Charlie Hunt, The Conversation, 7 July 2026 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

relentingly
relentless
relentment
See all Nearby Words

Cite this Entry

“Relentless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/relentless. Accessed 10 Jul. 2026.

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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

Nglish: Translation of relentless for Spanish Speakers

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