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
With her vision and relentless passion, Woodruff continues to redefine what healthy, convenient food can look like for families and communities across Arizona and beyond.
—
Wyles Daniel, AZCentral.com, 2 Oct. 2025
Kurt's key takeaway The fact that Chrome has already faced six zero-day attacks this year shows how relentless attackers are and how even the most popular software can have serious gaps.
—Kurt Knutsson, FOXNews.com, 2 Oct. 2025
Given how many comebacks the Pacers had in the playoffs, there is some evidence that all that pressure (plus a relentless offensive pace) exhausts teams over 48 minutes.
—Eric Koreen, New York Times, 2 Oct. 2025
In the final season, Tommy is back with an ever-growing list of enemies and with a relentless ambition to dominate Chicago’s drug game, which comes at a high cost.
—Rosy Cordero, Deadline, 2 Oct. 2025
See All Example Sentences for relentless
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Wyles Daniel, AZCentral.com, 2 Oct. 2025
Kurt's key takeaway The fact that Chrome has already faced six zero-day attacks this year shows how relentless attackers are and how even the most popular software can have serious gaps.
—Kurt Knutsson, FOXNews.com, 2 Oct. 2025
Given how many comebacks the Pacers had in the playoffs, there is some evidence that all that pressure (plus a relentless offensive pace) exhausts teams over 48 minutes.
—Eric Koreen, New York Times, 2 Oct. 2025
In the final season, Tommy is back with an ever-growing list of enemies and with a relentless ambition to dominate Chicago’s drug game, which comes at a high cost.
—Rosy Cordero, Deadline, 2 Oct. 2025
See All Example Sentences for relentless
Cite this Entry
“Relentless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/relentless. Accessed 5 Oct. 2025.
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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