relentless
adjective
re·lent·less
ri-ˈlent-ləs 
: 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
While Roger Federer is depicted as James Bond, in a tux, elegant and wrinkle-free, Nadal is called Rambo, ripped and relentless, brutalizing the ball and opponents alike.
—
Stuart Miller, Los Angeles Times, 18 May 2026
Woody Harrelson declaims every line, upping the relentless factor of Phil’s mania.
—Owen Gleiberman, Variety, 18 May 2026
Americans have known Fox News’s Kayleigh McEnany as the composed woman behind the podium, forcefully defending administration policy in the White House briefing room, sparring with reporters on live television, or navigating the relentless pressures of national politics.
—Kiara Moore, The Washington Examiner, 17 May 2026
Still, the designer’s schedule remains relentless.
—Rhonda Richford, Footwear News, 17 May 2026
See All Example Sentences for relentless
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Stuart Miller, Los Angeles Times, 18 May 2026
Woody Harrelson declaims every line, upping the relentless factor of Phil’s mania.
—Owen Gleiberman, Variety, 18 May 2026
Americans have known Fox News’s Kayleigh McEnany as the composed woman behind the podium, forcefully defending administration policy in the White House briefing room, sparring with reporters on live television, or navigating the relentless pressures of national politics.
—Kiara Moore, The Washington Examiner, 17 May 2026
Still, the designer’s schedule remains relentless.
—Rhonda Richford, Footwear News, 17 May 2026
See All Example Sentences for relentless
Cite this Entry
“Relentless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/relentless. Accessed 21 May. 2026.
Copy CitationKids Definition
relentless
adjective
re·lent·less
ri-ˈlent-ləs
: not lessening in severity, intensity, strength, or pace : unrelenting
relentless criticism
relentlessly
adverb
relentlessness
noun
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