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[uhn-ri-len-ting] /ˌʌn rɪˈlɛn tɪŋ/
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.
not easing or slackening in severity:
an unrelenting rain.
maintaining speed, effort, vigor, intensity, rate of advance, etc.:
an unrelenting attack.
Origin of unrelenting
First recorded in 1580-90; un-1 + relent + -ing2
Related forms
unrelentingly, adverb
unrelentingness, noun
1. relentless, merciless, unmerciful, ruthless, pitiless, cruel, remorseless. 2. unremitting, implacable, inexorable. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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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.

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

    Imogen 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


refusing to relent or take pity; relentless; merciless
not diminishing in determination, speed, effort, force, etc
Derived Forms
unrelentingly, adverb
unrelentingness, 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
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Word Origin and History for unrelenting

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

Online Etymology Dictionary, © 2010 Douglas Harper
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