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relentless

[ ri-lent-lis ]

/ rɪˈlɛnt lɪs /

SEE SYNONYMS FOR relentless ON THESAURUS.COM

adjective

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

Origin of relentless

First recorded in 1585–95; relent + -less

SYNONYMS FOR relentless

rigid, unbending, obdurate, adamant, unyielding. See inflexible.

SEE SYNONYMS FOR relentless ON THESAURUS.COM

ANTONYMS FOR relentless

merciful.

SEE ANTONYMS FOR relentless ON THESAURUS.COM

OTHER WORDS FROM relentless

re·lent·less·ly, adverb re·lent·less·ness, noun

Words nearby relentless

releaser, releasing factor, releasing mechanism, relegate, relent, relentless, relenza, relevance, relevant, relevé, relexify

Example sentences from the Web for relentlessness

I think a good book where you get a good sense of who this character is, his relentlessness.

How I Write: Michael Connelly |Noah Charney |January 8, 2014 |DAILY BEAST
This is a novel about sexual deviance, relentlessness, and desire.

The Modern ‘Lolita’: Dramatizing the Mind of a Female Pedophile in Alissa Nutting’s ‘Tampa’ |Roxane Gay |June 28, 2013 |DAILY BEAST
We want to do more with less, not less with more That relentlessness will serve the company well in his absence.

Apple Stock Gyrates |Dan Lyons |January 17, 2011 |DAILY BEAST
She is unmatched in both the relentlessness and vehemence of her image-rehabilitation campaign.

Elizabeth Edwards' Media Hypocrisy |Rebecca Dana |June 29, 2010 |DAILY BEAST

It takes time, relentlessness, toughness, and a lot of political skill to prevent America from sinking.

Obama's Power Outage |Leslie H. Gelb |January 22, 2010 |DAILY BEAST
I was momentarily sobered by the earnestness with which he brought home to me the relentlessness of our civilization.

A Far Country, Complete |Winston Churchill
He marvelled at the subtlety of her mind, and she at the relentlessness of his.

The Quest of the Silver Fleece |W. E. B. Du Bois
Mr. Reade traces their history with all the relentlessness of the genealogist.

Immortal Memories |Clement Shorter
So that his relentlessness towards Magda was the more inexplicable.

The Lamp of Fate |Margaret Pedler
The relentlessness of it all, the expecting that men should give everything, even life itself, and ask for no mercy.

The Amazing Interlude |Mary Roberts Rinehart

British Dictionary definitions for relentlessness

relentless

/ (rɪˈlɛntlɪs) /

adjective

(of an enemy, hostile attitude, etc) implacable; inflexible; inexorable

(of pace or intensity) sustained; unremitting

Derived forms of relentless

relentlessly, adverb relentlessness, noun