un·​mer·​ci·​ful | \ ˌən-ˈmər-si-fəl How to pronounce unmerciful (audio) \

Definition of unmerciful

1 : not merciful : merciless
2 : excessive, extreme chatted for an unmerciful length of time

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Other Words from unmerciful

unmercifully \ ˌən-​ˈmər-​si-​f(ə-​)lē How to pronounce unmercifully (audio) \ adverb

Examples of unmerciful in a Sentence

she went into an unmerciful level of detail about her latest health problems the critics were unmerciful in their assessments of the young actress's performance
Recent Examples on the Web The sun can be unmerciful, and the best way to protect yourself is to simply keep it off your skin. Outdoor Life, "Effective sun protection clothing for days spent outside," 26 May 2020 For many riders, nothing but some leather, hard plastic and a bit of foam protects them from the unmerciful pavement. Jonathan Welsh, WSJ, "Safety Tech for Motorcyclists (and Those Who Worry About Them)," 24 Feb. 2017

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

First Known Use of unmerciful

15th century, in the meaning defined at sense 1

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Time Traveler for unmerciful

Time Traveler

The first known use of unmerciful was in the 15th century

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Statistics for unmerciful

Last Updated

15 Jun 2020

Cite this Entry

“Unmerciful.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unmerciful. Accessed 11 Jul. 2020.

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How to pronounce unmerciful (audio)

English Language Learners Definition of unmerciful

: not having or showing any mercy : very harsh or cruel

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Thesaurus: All synonyms and antonyms for unmerciful

Spanish Central: Translation of unmerciful

Nglish: Translation of unmerciful for Spanish Speakers

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