unrelenting

[ uhn-ri-len-ting ]
/ ˌʌn rɪˈlɛn tɪŋ /

adjective

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

un·re·lent·ing·ly, adverbun·re·lent·ing·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unrelenting

British Dictionary definitions for unrelenting

unrelenting

/ (ˌʌnrɪˈlɛntɪŋ) /

adjective

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

Derived Forms

unrelentingly, 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