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

The meticulous renovation of Gresham Palace, which opened as a Four Seasons in 2006, set the bar high for the numerous other restoration jobs currently underway.

— Condé Nast, Condé Nast Traveler, 4 Aug. 2026
Its longevity stems from Stone's focus on a supportive team culture, direct sourcing from regenerative farms, and meticulous waste management to preserve tight margins.

— Esha Chhabra, Forbes.com, 31 July 2026

Definition of meticulous

Adjective

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
In June 2022, the indefatigable band embarked on a 60th anniversary tour, which began in Madrid and wrapped in August in Berlin.

— Stephanie Sengwe, PEOPLE, 27 July 2026

Definition of indefatigable

Adjective

Demián is a tireless advocate for immigrants and Danny is a passionate champion of Latino voices and stories.

— Andreas Wiseman, Deadline, 3 Aug. 2026
Key steps include leveraging AI to proactively answer all buyer questions, then building a comprehensive sales page that acts as a tireless salesperson.

— Jodie Cook, Forbes.com, 29 July 2026

Definition of tireless

Adjective

But there is little sympathy coming out of Ukraine, where civilian infrastructure, including businesses, have endured years of relentless Russian attacks.

— Daniela Suarez, NBC news, 5 Aug. 2026
Ted was genuinely out of his depth, the conflicts felt earned, and the show still had to persuade audiences that its relentless optimism wasn’t naïve.

— Nicholas Quah, Vulture, 5 Aug. 2026

Definition of relentless

Adjective

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
That’s how John Sugar goes from conscientious private eye to would-be assassin.

— Andy Andersen, Vulture, 24 July 2026

Definition of conscientious

Adjective

Spending time with friends and enjoying activities like golf, fishing, or attending sporting events encourages connection and supports an active lifestyle.

— Patricia Doherty, Travel + Leisure, 5 Aug. 2026
Their active roster is predominantly right-handed, which clogs up some of the lineup decisions for Roberts.

— Katie Woo, New York Times, 4 Aug. 2026

Definition of active

Adjective

For large, mature plants, dividing can also help support vigorous blooming, as overcrowding can negatively impact the plant’s ability to develop blooms.

— The Spruce, The Spruce, 4 Aug. 2026
Varieties like Elberta Peach and Redhaven Peach are popular for their vigorous growth and often produce fruit within the first year under optimal conditions.

— SJ McShane, Martha Stewart, 28 July 2026

Definition of vigorous

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“Untiring.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/untiring. Accessed 8 Aug. 2026.

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Synonyms of untiring

adjective

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