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
Robertson has shown his ability to be a relentless goal scorer against the world’s best.
—
Lia Assimakopoulos, Dallas Morning News, 2 Jan. 2026
This was the beginning of what would become a relentless mailing campaign aimed at his son.
—Ethan Brooks, The Atlantic, 1 Jan. 2026
The film follows a relentless detective and an infamous contract killer who collide in a deadly game of cat and mouse.
—Andreas Wiseman, Deadline, 1 Jan. 2026
They are driven, focused, and relentless in their pursuit of success.
—Steph Wagner, CNBC, 1 Jan. 2026
See All Example Sentences for relentless
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.
Lia Assimakopoulos, Dallas Morning News, 2 Jan. 2026
This was the beginning of what would become a relentless mailing campaign aimed at his son.
—Ethan Brooks, The Atlantic, 1 Jan. 2026
The film follows a relentless detective and an infamous contract killer who collide in a deadly game of cat and mouse.
—Andreas Wiseman, Deadline, 1 Jan. 2026
They are driven, focused, and relentless in their pursuit of success.
—Steph Wagner, CNBC, 1 Jan. 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 Jan. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share