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 formsun·re·lent·ing·ly, adverbun·re·lent·ing·ness, noun

Synonyms for unrelenting

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unrelenting

Contemporary Examples of unrelenting

Historical Examples of unrelenting

  • 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



refusing to relent or take pity; relentless; merciless
not diminishing in determination, speed, effort, force, etc
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.

Online Etymology Dictionary, © 2010 Douglas Harper