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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Recent Examples of untiring
Joe was a philanthropist, a community leader, and an unwavering and untiring supporter of the U.S. Military and his country.
—
al, 25 May 2022
Speeches Malcolm X was known as an articulate speaker, charismatic person, and an untiring organizer.
—Branden Hunter, Detroit Free Press, 19 May 2020
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
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Originally built in 1991, the 3,416-square-foot single-level estate recently underwent a meticulous reimagining—one that balances durability and artisan craftsmanship.—
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Expect that particular blend of confident, meticulous, and charismatic service that’s found in its purest form in old Sicilian restaurants, and the most divine selection of puddings and gelato for a sweet-toothed finale.—
Adjective
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McNamara again stood out as indefatigable and disciplined, with superior analytical intelligence and a ravenous appetite for information.—
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Violet, indefatigable through the most desperate early months, had started showing signs of exhaustion in June, when she was charged with simultaneously starting a long-COVID recovery unit and a COVID hospice service.—
Adjective
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In the meantime, however, the tireless work of humanitarians continues on the ground, with no end to the fighting in sight.—
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Democratic Senator Chris Van Hollen praised Hoyer's tireless dedication to passing Democratic priorities and his commitment to racial and social justice.—
Adjective
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The relentless Chacon lurched outside after her just as his car door opened and out popped their 6-year-old son, begging his dad to stop.—
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Czechia had trouble handling a relentless Sweden forecheck and tight coverage all over.—
Adjective
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The new press release appears to tout that same unflagging punk ethos.—
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Rafael, a trans man learning to accept his own body, and Carolina, his unflagging companion, set off to Chile to secure Rafael’s sense of acceptance – his of self and his family’s.—
Adjective
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Also, remain mindful and conscientious of how our actions affect those beyond ourselves.—
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To maintain this level of ethical, equitable basketball, the Bulls need a facilitator — a conscientious, unselfish playmaker who can read the court and set up teammates at a high level.—
Adjective
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Benn, a 17-year veteran, played with a visor for the first time in 1,216 career games, leaving Nashville center Ryan O'Reilly, Minnesota defenseman Zach Bogosian, and Sharks winger Ryan Reaves as the last three active players who have never worn a visor in an NHL game.—
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According to Moore, crews believe the fire had been fully extinguished after follow-up checks found no active flames, even as high winds later reignited embers buried in the root system.—
Adjective
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Started from seed, this type of sedum is a vigorous grower, forming a tidy mound with strong, flop-free stems.—
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But a new study, published in Nature Communications in October, says vigorous activity is even more valuable than that.—
Cite this Entry
“Untiring.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untiring. Accessed 20 Jan. 2026.
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