unrelenting

[uhn-ri-len-ting] / ˌʌn rɪˈlɛn tɪŋ /

ADJECTIVE

merciless

Synonyms

STRONGEST

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

WEAK

bound bound and determined brick-wall cruel dead set on grim hanging tough hardheaded intransigent iron-fisted mortal perpetual pitiless remorseless rigid set steady stern stiff stiff-necked tough unbending unbroken unflinching unsparing

Antonyms

STRONGEST

broken ceasing changeable completed ending finished flexible halting inconstant infrequent intermittent interrupted irregular kind merciful nice occasional stopping surrendering sympathetic terminable varying wavering yielding

WEAK

compassionate relenting

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

But even with these measures, the unrelenting sun continues to bake the white marble surrounding the grounds of the Grand Mosque where most pilgrims have congregated in recent days.

From Barron's • May 25, 2026

The AI race has unleashed an unrelenting wave of investments as companies seek to build out the data centers needed to power the energy-intensive technology, driving demand for increasingly advanced chips for AI infrastructure.

From The Wall Street Journal • May 6, 2026

At 32, I started battling unrelenting headaches—clearly perinatal symptoms and sleep deprivation, I was assured by doctors as a new mom.

From Slate • May 6, 2026

Up to this point he had formed an uneasy relationship with the Masters, regularly squabbling with the unrelenting undulations of the famed course.

From BBC • Apr. 10, 2026

The sun came up, as it had every day since the end of May, bright, hot, and unrelenting.

From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy

Vocabulary lists containing unrelenting

Narrative of the Life of Frederick Douglass

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Esperanza Rising

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A Thousand Splendid Suns

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