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Showing results for relentless.
Definitions

relentless

[ri-lent-lis] / rɪˈlɛnt lɪs /
ADJECTIVE
cruel, merciless
Synonyms
STRONGEST
determined dogged ferocious fierce harsh implacable inexorable rigorous ruthless single-minded uncompromising unforgiving unrelenting unstoppable unyielding
WEAK
adamant bound bound and determined dead set on go for broke grim hang in hang-tough hard inflexible inhuman mortal obdurate pitiless remorseless rigid stiff stop-at-nothing strict stringent unappeasable unbending undeviating unflinching vindictive
Antonyms
STRONGEST
compassionate easy flexible gentle irresolute kind lenient merciful mild nice nonviolent peaceful remorseful sympathetic tame tender yielding
WEAK
ending intermittent stopping understanding
ADJECTIVE
continuous, neverending
Synonyms
STRONGEST
incessant nonstop persistent punishing sustained tenacious unflagging unrelenting unremitting unstoppable
WEAK
pertinacious unabated unbroken unfaltering unrelieved
Antonyms
STRONGEST
intermittent relenting surrendering yielding
WEAK
ending kind merciful stopping sympathetic understanding

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.

At that stage, Strategy was sitting on unrealized losses of almost $5 billion and despite public displays of bravura and a refusal to contemplate selling, the pressure on Strategy’s stock price was relentless.

From MarketWatch • Apr. 16, 2026

The Ukraine war involves remotely piloted systems, electronic warfare, layered air defenses and relentless adaptation.

From The Wall Street Journal • Apr. 15, 2026

That is why, in his eighth decade, McKechnie remains a master of the relentless world he inhabits.

From BBC • Apr. 14, 2026

At that point she had open wounds, a relentless bone-deep itch and her skin would not stop shedding.

From BBC • Apr. 10, 2026

Magdalys felt Missy’s frantic urge to hunt pulse through her, relentless.

From "Dactyl Hill Squad" by Daniel José Older

Vocabulary lists containing relentless

The Giver

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A Long Walk to Water

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Power Suffix: -less

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