mer·​ci·​less | \ ˈmər-si-ləs How to pronounce merciless (audio) \

Definition of merciless

: having or showing no mercy : pitiless the merciless killing of innocent people

Other Words from merciless

mercilessly adverb
mercilessness noun

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 Stagflation—in which economic growth stagnates while inflation runs hot—is merciless. Jason Zweig, WSJ, 2 Sep. 2022 New tallies were added Tuesday to the merciless accounting that measures the losses from Russia’s invasion. New York Times, 2 Aug. 2022 If a friend had bought a showy car, a Mercedes or a Cadillac, judgment would have been merciless and swift. Mark Oppenheimer, WSJ, 23 July 2022 During the trial, the prosecution is expected to present an overarching narrative of Cruz's history of threats, his planning and the merciless nature of the shootings. Terry Spencer,, 16 July 2022 From the beginning, The Bear is steeped in the merciless rituals of the professional kitchen, even if the restaurant pre-Carmy ran with less authoritarian finesse. Sophie Gilbert, The Atlantic, 13 July 2022 The merciless toll of mass shootings in the United States reminds observers in places like Canada, Australia and Britain of the greater sanity of their nations’ gun laws. Ishaan Tharoor, Washington Post, 27 June 2022 For now, the merciless drought is forcing some families to make hard choices. Abdi Latif Dahir,, 12 June 2022 From the first days, the world witnessed a merciless campaign of cruelty and destruction. ABC News, 10 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'merciless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of merciless

14th century, in the meaning defined above

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The first known use of merciless was in the 14th century

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Last Updated

8 Sep 2022

Cite this Entry

“Merciless.” Dictionary, Merriam-Webster, Accessed 4 Oct. 2022.

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More Definitions for merciless


mer·​ci·​less | \ ˈmər-si-ləs How to pronounce merciless (audio) \

Kids Definition of merciless

: having no mercy or pity These people, she thought, would be merciless critics.— Lucy Maud Montgomery, Anne of Green Gables

Other Words from merciless

mercilessly adverb

More from Merriam-Webster on merciless

Nglish: Translation of merciless for Spanish Speakers

Britannica English: Translation of merciless for Arabic Speakers


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