untiring

adjective

ˌən-ˈtī-riŋ How to pronounce untiring (audio)
Definition of untiringnext
as in meticulous
showing no signs of weariness even after long hard effort the camel's reputation as an untiring beast of burden the detective's untiring investigation of the crime finally led to several arrests

Synonyms & Similar Words

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Antonyms & Near Antonyms

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 untiring All speakers paid tribute to Jack Gross, owner of the new station, for his untiring efforts to bring San Diego its own television station. — sandiegouniontribune.com, 17 May 2018 Still, Clark's adrenaline and untiring preparation propelled her to a second place finish in Oslo and a third place finish at the Burton US Open the following month. — Nihal Kolur, SI.com, 30 Oct. 2017 The public eye in Pakistan today is an unforgiving, untiring beast that never sleeps. — chicagotribune.com, 4 Aug. 2017 Corrupt regimes long reviled by their populace are being brought down left and right, thanks to the brilliant and untiring efforts of democracy activists. — Bruce Sterling, WIRED, 16 Feb. 2011
Recent Examples of Synonyms for untiring
  1. meticulous
  2. indefatigable
  3. tireless
  4. relentless
  5. unflagging
  6. conscientious
  7. active
  8. vigorous
Adjective
  • Across the show’s three seasons, Rodriguez plays Jackie Howard, a New York native who prides herself on organization and meticulous planning.
    — Rosy Cordero, Deadline, 17 Aug. 2026
  • Schuler said that is made possible by sourcing good-quality meats from local providers, making meticulous measurements for every meal and preparing the options without so much oil and butter.
    — Shannon Tyler, Idaho Statesman, 17 Aug. 2026
Definition of meticulous
Adjective
  • The vehicle’s pearlescent sheen alone is worthy of a moment in the sun, and gives the car a timelessness on par with that of its indefatigable owner.
    — Viju Mathew, Robb Report, 15 Aug. 2026
  • After Graham was eulogized Tuesday in the nation's capital as an indefatigable dealmaker by the president, vice president and others, mourners in Columbia prepared to remember him Wednesday as the son of pool hall owners who never forgot his roots.
    — ABC News, ABC News, 29 July 2026
Definition of indefatigable
Adjective
  • Banks, the first saxophonist to receive the prestigious Avery Fisher Award, is a tireless advocate for his instrument in the classical world.
    — Beth Wood, San Diego Union-Tribune, 16 Aug. 2026
  • Provided with hope for the first time since their struggles began and with the support of a tireless counselor (Annette Deao), the brothers work toward a brighter, sober future.
    — Jill Goldsmith, Deadline, 14 Aug. 2026
Definition of tireless
Adjective
  • The Cubs have been relentless against lefties this season, and that pressure continued Wednesday with lefty Jackson Kent, a Lake Park graduate from Hanover Park, making his major-league debut for the Nationals.
    — Meghan Montemurro, Chicago Tribune, 13 Aug. 2026
  • The brutal nausea and vomiting of norovirus, for instance, subsides in one to three days; even the relentless diarrhea of cyclosporiasis can let up in a couple of days with an antibiotic.
    — Erica Sloan, Washington Post, 12 Aug. 2026
Definition of relentless
Adjective
  • Tristan is the ultramarathon of opera roles, long and punishing, and not many tenors carry it off with such unflagging grace.
    — Justin Davidson, Vulture, 11 Mar. 2026
  • The new press release appears to tout that same unflagging punk ethos.
    — Connie Ogle, Miami Herald, 29 Aug. 2025
Definition of unflagging
Adjective
  • What’s more, not all protein powders are equal, so a conscientious approach is warranted.
    — Martha Stewart, Martha Stewart, 12 Aug. 2026
  • Even the most conscientious hand washers who use a basin or a full sink still use two to four times as much water as the average dishwasher cycle.
    — Mary Cornetta, Better Homes & Gardens, 26 July 2026
Definition of conscientious
Adjective
  • Flood warnings are still active around the White River and Wabash River, due to past rain.
    — John Tufts, IndyStar, 19 Aug. 2026
  • Chelsea need to be active sellers, and not simply for financial reasons.
    — Liam Twomey, New York Times, 19 Aug. 2026
Definition of active
Adjective
  • Beijing would implement more vigorous reform of the country’s household registration system, to allow greater social and economic mobility and establish a stronger social safety net.
    — Michael B. G. Froman, Foreign Affairs, 13 Aug. 2026
  • All your zillennial and millennial friends, now adults with car insurance and vigorous SPF routines, have been watching cozy, faintly dissociative teen dramas in order to forget their troubles.
    — Daisy Jones, Vogue, 12 Aug. 2026
Definition of vigorous

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untired
untiring
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Cite this Entry

“Untiring.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untiring. Accessed 20 Aug. 2026.

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