relentless

adjective

re·​lent·​less ri-ˈlent-ləs 

: showing or promising no abatement of severity, intensity, strength, or pace : unrelenting

relentless pressure

a relentless campaign

relentlessly adverb

relentlessness noun

Synonyms

• determined
• dogged
• grim
• implacable
• unappeasable
• unflinching
• unrelenting
• unyielding

Examples of relentless in a Sentence

Her relentless optimism held the team together.

The hunter was relentless in pursuit of his prey.

a relentless opponent of deregulation

Recent Examples on the Web

The evolution of malware is a relentless game of cat and mouse, and Android users are once again in the crosshairs. —Lars Daniel, Forbes, 5 Nov. 2024

This absurd claim is an extension of their relentless obsession to remove checks and balances within our government. —Marina Johnson, The Courier-Journal, 5 Nov. 2024

Tamra’s relentless cruelty has only helped Shannon, as has John Janssen’s $75,000 lawsuit against her and Alexis’ constant jabs. —Louis Peitzman, Vulture, 5 Nov. 2024

After months of eye-popping news stories, dueling polls and relentless TV commercials, a monumental Election Day is finally upon us. —Adam Tamburin, Axios, 5 Nov. 2024

Word History

First Known Use

1592, in the meaning defined above

Kids Definition

relentless

adjective

re·​lent·​less ri-ˈlent-ləs 

: not lessening in severity, intensity, strength, or pace : unrelenting

relentless criticism

relentlessly adverb

relentlessness noun