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
Murphy is not acting alone, however, as he’s been assigned to the journey out of a labor camp run by a merciless, tobacco-spitting boss (Russell Crowe) — and some in his merriless band turn out to be savvier, and more malicious, than others.
—
Ryan Lattanzio, IndieWire, 29 Jan. 2026
But the Warriors, driven by the merciless ticking clock of Curry’s career, are desperate.
—Dieter Kurtenbach, Mercury News, 28 Jan. 2026
In the film, Leonardo DiCaprio plays Bob Ferguson, a former revolutionary who must save his teenage daughter after she’s kidnapped by the merciless army officer, Colonel Lockjaw (played by Sean Penn).
—Jazz Tangcay, Variety, 21 Jan. 2026
Iran’s attorney general has vowed to pursue merciless legal action against the latter, including the death penalty.
—Hira Humayun, CNN Money, 12 Jan. 2026
See All Example Sentences for merciless
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Ryan Lattanzio, IndieWire, 29 Jan. 2026
But the Warriors, driven by the merciless ticking clock of Curry’s career, are desperate.
—Dieter Kurtenbach, Mercury News, 28 Jan. 2026
In the film, Leonardo DiCaprio plays Bob Ferguson, a former revolutionary who must save his teenage daughter after she’s kidnapped by the merciless army officer, Colonel Lockjaw (played by Sean Penn).
—Jazz Tangcay, Variety, 21 Jan. 2026
Iran’s attorney general has vowed to pursue merciless legal action against the latter, including the death penalty.
—Hira Humayun, CNN Money, 12 Jan. 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 7 Feb. 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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