Synonyms of merciless
Examples of merciless in a Sentence
the merciless killing of innocent people
He has been merciless in his criticism of his opponent.
Recent Examples on the Web
Though both storms are similar — with a major storm system lingering over the region for over a day and whipping the region with merciless hurricane-level winds, driving inch after inch of wet snow — what made the 1978 storm so devastating was the apparent suddenness of its arrival.
—
Doyle Rice, USA Today, 24 Feb. 2026
These are two of the most conniving, merciless people on television, and they’re bonded by the twin desire to be more like the other.
—Amanda Whiting, Vulture, 23 Feb. 2026
But in the shadows, amid growing unease at the blood-thirsty actions of the realm’s merciless Mad King, dissenters from his inner circle anxiously advance a treasonous plot.
—Naman Ramachandran, Variety, 18 Feb. 2026
Fleeing into the desert with her father, she is hunted by a merciless army and forced to trust a legendary bandit (Mackie) with secrets of his own.
—Matt Grobar, Deadline, 11 Feb. 2026
See All Example Sentences for merciless
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Doyle Rice, USA Today, 24 Feb. 2026
These are two of the most conniving, merciless people on television, and they’re bonded by the twin desire to be more like the other.
—Amanda Whiting, Vulture, 23 Feb. 2026
But in the shadows, amid growing unease at the blood-thirsty actions of the realm’s merciless Mad King, dissenters from his inner circle anxiously advance a treasonous plot.
—Naman Ramachandran, Variety, 18 Feb. 2026
Fleeing into the desert with her father, she is hunted by a merciless army and forced to trust a legendary bandit (Mackie) with secrets of his own.
—Matt Grobar, Deadline, 11 Feb. 2026
See All Example Sentences for merciless
Cite this Entry
“Merciless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/merciless. Accessed 6 Mar. 2026.
Copy CitationKids Definition
merciless
adjective
mer·ci·less
ˈmər-si-ləs 
: having no mercy : pitiless
merciless slaughter
mercilessly
adverb
mercilessness
noun
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