UNTIRING Synonyms: 72 Similar and Opposite Words

untiring

adjective

ˌən-ˈtī-riŋ

Definition of untiring

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

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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

Adjective

An immaculate natural setting, meticulous interior design, simple pleasures such as a complete sense of privacy, and impeccable service are just some of the highlights.

— Condé Nast, Condé Nast Traveler, 20 Aug. 2026
When the scant blood trail disappeared, Charles began the meticulous hands-and-knees job of track-trailing the buck.

— Jeff Murray, Outdoor Life, 20 Aug. 2026

Definition of meticulous

Adjective

And while Foy is appealing as the indefatigable mother, Garfield leans too heavily into manic cutesiness as the endlessly chirpy father who at times seems less grown-up than his children.

— Frank Scheck, HollywoodReporter, 20 Aug. 2026
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

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

But his effort is the real X-factor, as Pierre’s relentless approach to every rep can be difficult for offensive linemen to endure over the course of a game.

— Nick Baumgardner, New York Times, 19 Aug. 2026
The longest track on the album at more than eight minutes, it’s built around a relentless two-note bass line and dangerously cowbell-adjacent percussion and features a whirlwind of samples and sweetly noisy meltdowns.

— Reed Jackson, SPIN, 19 Aug. 2026

Definition of relentless

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

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untired

untiring

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“Untiring.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untiring. Accessed 26 Aug. 2026.

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Synonyms of untiring

adjective

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