unrelenting

[uhn-ri-len-ting]

adjective

1. 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.

   Synonyms: remorseless, cruel, pitiless, ruthless, unmerciful, merciless, relentless

2. not easing or slackening in severity.

   an unrelenting rain.

   Synonyms: inexorable, implacable, unremitting

3. maintaining speed, effort, vigor, intensity, rate of advance, etc..

   an unrelenting attack.

unrelenting

/ ˌʌnrɪˈlɛntɪŋ /

adjective

1. refusing to relent or take pity; relentless; merciless

2. not diminishing in determination, speed, effort, force, etc

Other Word Forms

• unrelentingness noun
• unrelentingly adverb

Word History and Origins

Origin of unrelenting¹

First recorded in 1580–90; un- ¹ + relent + -ing ²

Example Sentences

Marshall’s determination was unrelenting, and his methods were effective.

From Salon

But the scale of the carnage is much bigger and unrelenting in Gaza, where atrocities continue without letup, while the world looks on.

From Salon

But the cartels are unrelenting and have increasingly been targeting Ireland - the only European country with an open border with the UK - as a back door.

From BBC

The powerful pro-Israel lobby’s standing among Democrats has become a flash point amid broader internecine conflict in the Democratic Party over Israel’s unrelenting war in Gaza.

From Los Angeles Times

None of the trio hatched despite Jackie guarding that clutch for 62 hours through an unrelenting snowstorm.

From Los Angeles Times

Related Words

• ceaseless 
• constant 
• continual 
• continuous 
• endless 
• implacable 
• incessant 
• inexorable 
• persistent 
• relentless 
• ruthless 
• tenacious 
• unabated 
• unremitting 
• unwavering 
• unyielding