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definitions

relentless

[ri-lent-lis]
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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

viciously, fiercely, savagely, mercilessly, ferociously, ruthlessly, regularly, forever, constantly, continually, consistently, usually, strongly, seriously, vigorously, heavily, severely, never-ending, perpetually, relentless

Nearby words

  1. releasing mechanism,
  2. relegable,
  3. relegate,
  4. relegation,
  5. relent,
  6. relenza,
  7. relevance,
  8. relevant,
  9. releve,
  10. relevé

Origin of relentless

First recorded in 1585–95; relent + -less
ANTONYMS FOR relentless
merciful.
SEE MORE ANTONYMS FOR relentless ON THESAURUS.COM
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 relentlessly

British Dictionary definitions for relentlessly

relentless

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 relentlessly

relentless

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper