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
The relentless heat, which has shattered monthly high temperature records, has caused the mountain snowpack to virtually vanish from California’s Sierra Nevadas all the way to the Colorado Rockies.
—
Andrew Freedman, CNN Money, 27 Mar. 2026
Iran's grip on the strait and relentless attacks on Gulf energy infrastructure have sent Brent crude, the international standard, up more than 40% since the war started.
—Jon Gambrell and David Rising The Associated Press, Arkansas Online, 27 Mar. 2026
Iran’s grip on the strait and relentless attacks on Gulf regional energy infrastructure has sent oil prices skyrocketing and concerns of a global energy crisis surging.
—Jon Gambrell, Fortune, 26 Mar. 2026
Such prospects are exciting, though the relentless adaptability of mosquitoes could be an obstacle.
—Jacob A Tennessen, The Conversation, 26 Mar. 2026
See All Example Sentences for relentless
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Andrew Freedman, CNN Money, 27 Mar. 2026
Iran's grip on the strait and relentless attacks on Gulf energy infrastructure have sent Brent crude, the international standard, up more than 40% since the war started.
—Jon Gambrell and David Rising The Associated Press, Arkansas Online, 27 Mar. 2026
Iran’s grip on the strait and relentless attacks on Gulf regional energy infrastructure has sent oil prices skyrocketing and concerns of a global energy crisis surging.
—Jon Gambrell, Fortune, 26 Mar. 2026
Such prospects are exciting, though the relentless adaptability of mosquitoes could be an obstacle.
—Jacob A Tennessen, The Conversation, 26 Mar. 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 3 Apr. 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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