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See more synonyms for unrelenting on Thesaurus.com
  1. not relenting; not yielding or swerving in determination or resolution, as of or from opinions, convictions, ambitions, ideals, etc.; inflexible: an unrelenting opponent of the Equal Rights Amendment.
  2. not easing or slackening in severity: an unrelenting rain.
  3. maintaining speed, effort, vigor, intensity, rate of advance, etc.: an unrelenting attack.
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Origin of unrelenting

First recorded in 1580–90; un-1 + relent + -ing2
Related formsun·re·lent·ing·ly, adverbun·re·lent·ing·ness, noun


See more synonyms for unrelenting on Thesaurus.com
1. relentless, merciless, unmerciful, ruthless, pitiless, cruel, remorseless. 2. unremitting, implacable, inexorable.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unrelenting

Contemporary Examples

Historical Examples

  • If there be Gods, they are merciful; but thou art a savage and unrelenting monster.


    William Godwin

  • The fierce and lawless shall assume the figure of the unrelenting wolf.


    William Godwin

  • Wilkes' Spirit of the Times is unrelenting in its haughty independence.

  • Wetamoo immediately became the unrelenting foe of the English.

    King Philip

    John S. C. (John Stevens Cabot) Abbott

  • Her thin lips parted, but the light in her eyes was unrelenting.

    The Golden Woman

    Ridgwell Cullum

British Dictionary definitions for unrelenting


  1. refusing to relent or take pity; relentless; merciless
  2. not diminishing in determination, speed, effort, force, etc
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Derived Formsunrelentingly, adverbunrelentingness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unrelenting


1580s, from un- (1) "not" + present participle of relent.

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Online Etymology Dictionary, © 2010 Douglas Harper