definitions

relentless

[ ri-lent-lis ]
/ rɪˈlɛnt lɪs /
||
SEE MORE SYNONYMS FOR relentless ON THESAURUS.COM

adjective

that does not relent; unyieldingly severe, strict, or harsh; unrelenting: a relentless enemy.

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RELATED WORDS

unrelenting, uncompromising, inexorable, ferocious, harsh, implacable, ruthless, rigorous, unyielding, determined, fierce, dogged, unforgiving, single-minded, unstoppable, tenacious, punishing, unflagging, persistent, incessant

Nearby words

releasing mechanism, relegable, relegate, relegation, relent, relentless, relenza, relevance, relevant, releve, relevé

Origin of relentless

First recorded in 1585–95; relent + -less
Related formsre·lent·less·ly, adverbre·lent·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for relentless

British Dictionary definitions for relentless

relentless

/ (rɪˈlɛntlɪs) /

adjective

(of an enemy, hostile attitude, etc) implacable; inflexible; inexorable
(of pace or intensity) sustained; unremitting
Derived Formsrelentlessly, adverbrelentlessness, 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 relentless

relentless

adj.

1590s, from relent + -less. Related: Relentlessly; relentlessness.

Online Etymology Dictionary, © 2010 Douglas Harper