- refusing to relent or take pity; relentless; merciless
- not diminishing in determination, speed, effort, force, etc
WordReference Random House Learner's Dictionary of American English © 2026
un•re•lent•ing /ˌʌnrɪˈlɛntɪŋ/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- not relenting;
not losing desire to continue. - not easing or becoming reduced, as in intensity:unrelenting poverty.
un•re•lent•ing
(un′ri len′ting),USA pronunciation adj.
un′re•lent′ing•ly, adv.
un′re•lent′ing•ness, n.
- 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.
- un-1 + relent + -ing2 1580–90
un′re•lent′ing•ness, n.
- 1. relentless, merciless, unmerciful, ruthless, pitiless, cruel, remorseless. 2. unremitting, implacable, inexorable.
Collins Concise English Dictionary © HarperCollins Publishers::
unrelenting /ˌʌnrɪˈlɛntɪŋ/ adj
'unrelenting' also found in these entries (note: many are not synonyms or translations):
bitter
- Innocent IV
- mortal
- persistent
- high-pressure
- incessant
- inexorable
- inflexible
- iron
- knock-down-drag-out
- merciless
- nagging
- pelt
- relentless
- remorseless
- ruthless
- unforgiving
- unsparing
- warfare
- stern
- stiff