relentless

adjective

ri-ˈlent-ləs How to pronounce relentless (audio)
Definition of relentlessnext
as in grim
showing no signs of slackening or yielding in one's purpose the team's offense was relentless in trying to score a touchdown

Synonyms & Similar Words

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of relentless The competition within his new-look room has bred a relentless mentality that could result in a big year for the Jackets’ front. — Fisher Isbell, AJC.com, 11 Aug. 2026 Driven by the relentless surge of artificial intelligence, hundreds of billions of dollars are pouring into global compute infrastructure. — Nia Bowers, USA Today, 11 Aug. 2026 Building Mental Fitness As A Leader Mental fitness is not about avoiding emotional pain or maintaining relentless positivity. — Simone Lundquist, Forbes.com, 10 Aug. 2026 The one-hour psychological horror thriller follows Rose (Balfe), a relentless documentary filmmaker and recently divorced mother, brilliant at uncovering others’ truths but struggling to resolve her own. — Nellie Andreeva, Deadline, 10 Aug. 2026 See All Example Sentences for relentless
Recent Examples of Synonyms for relentless
  1. grim
  2. determined
  3. persistent
  4. unrelenting
  5. ruthless
Adjective
  • The grim toll comes nearly three months since the outbreak was declared on May 15.
    — ABC News, ABC News, 11 Aug. 2026
  • This time, though, there’s more heavy metal influence — more guitar, more drums, more church organ, more attitude — to complement Cathedral’s grim tale.
    — Kory Grow, Rolling Stone, 9 Aug. 2026
Definition of grim
Adjective
  • At first determined to capture him, little by little Araí starts to understand, and eventually, to identify with the villain.
    — Rafa Sales Ross, Variety, 12 Aug. 2026
  • Abel opens the wallet Berkshire Hathaway’s CEO Greg Abel, who took over from Buffett at the start of the year, appears determined to put the record cash hoard amassed by Warren Buffett to work on buybacks and stock purchases.
    — Anniek Bao, CNBC, 10 Aug. 2026
Definition of determined
Adjective
  • The scorching temperatures and persistent droughts in June and July mutually reinforced each other to create a hot weather spiral, according to Samantha Burgess, strategic lead for climate at the European Centre for Medium-Range Weather Forecasts.
    — Lex Harvey, CNN Money, 10 Aug. 2026
  • The Triton is a high-altitude, long-endurance unmanned aircraft built to provide persistent maritime intelligence, surveillance, reconnaissance and targeting.
    — Prabhat Ranjan Mishra, Interesting Engineering, 10 Aug. 2026
Definition of persistent
Adjective
  • Early in his career, Howell served under a commander whose expectations were unrelenting.
    — Mark Nevins, Forbes.com, 13 Aug. 2026
  • This is the type of album that happens after the stadiums have been filled across the world, the crown has been won, and all that is left is unrelenting honesty.
    — Maya Georgi, Rolling Stone, 7 Aug. 2026
Definition of unrelenting
Adjective
  • For Arsenal, the mission to create their best possible squad for depth and quality requires some upgrades in certain areas, and Berta won’t mind being ruthless if a sacrifice here leads to a new crowning there.
    — Kaya Kaynak, New York Times, 14 Aug. 2026
  • Her portrayal of Abby Cunningham on Knots Landing helped define the prime-time soap’s appeal, with the character’s romances becoming just as talked about as her ruthless ambition.
    — Tereza Shkurtaj, PEOPLE, 8 Aug. 2026
Definition of ruthless

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relenting
relentless
relentlessness
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Cite this Entry

“Relentless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/relentless. Accessed 15 Aug. 2026.

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More from Merriam-Webster on relentless

Nglish: Translation of relentless for Spanish Speakers

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