TIRELESSNESS Synonyms: 98 Similar and Opposite Words

tirelessness

noun

as in endurance

Related Words

Relevance

Dissimilar Words

Example Sentences

Recent Examples of Synonyms for tirelessness

Noun

More than four and a half years into the war that Moscow launched with its full-scale invasion in 2022, Black Sea shipping has increasingly been drawn into a prolonged battle of economic endurance.

— Reuters, NBC news, 13 Oct. 2026
Alongside his acting career, Dempsey competed in endurance motor racing, recording podium finishes at premier racing events such as the Rolex 24 Hours at Daytona and the 24 Hours of Le Mans.

— Encyclopedia Britannica, Encyclopedia Britannica, 9 Oct. 2026

Definition of endurance

Noun

Under that gorgeous screen, the watch is packed with 32GB of storage, tons of sports modes to track your activities, and a myriad of other metrics, including overall stamina, sleep, VO2 max, recovery insights, and even wrist power.

— Kelsey Fogarty, PC Magazine, 6 Oct. 2026
Ambitious mukbang-ers eager to prove their gastronomic stamina descended on Red Lobster locations across the country to consume absurd quantities of shrimp.

— Nick Lichtenberg, Fortune, 1 Oct. 2026

Definition of stamina

Noun

Wright has always been an old-fashioned No 9 with pace and dynamism.

— Andy Jones, New York Times, 14 Oct. 2026
In skin care, the recovery of China in the East coupled with the dynamism of The Ordinary in the West helped the company post a 4 percent increase and offset the declines in luxury skin care sales in North America.

— Jenny B. Fine, Footwear News, 9 Oct. 2026

Definition of dynamism

Noun

To prepare to lead in these areas, CISOs must approach AI readiness with the same vigor and care as AI adoption, building the skills, judgment and development opportunities employees need to govern AI effectively.

— Haris Pylarinos, Forbes.com, 23 Sep. 2026
As Doo-sik, Squid Game’s Park Hae-soo is delivering the show’s defining performance with such vigor and charisma that Stone’s hand is, whether intentionally or not, tipped.

— Sara Holdren, Vulture, 18 Sep. 2026

Definition of vigor

Noun

Battle-tested Like their patron Iran, the Houthis have deployed asymmetric warfare for the 21st century by capitalizing on their strengths — primarily drones and missiles.

— NBC news, NBC news, 13 Oct. 2026
Treatments for acne range from over-the-counter creams and lotions to prescription-strength medications.

— Adithi Ramakrishnan, Los Angeles Times, 13 Oct. 2026

Definition of strength

Noun

New banks used to be a sign of America’s economic vitality, bringing with them new businesses and new depositors.

— Jeb Hensarling, Washington Post, 12 Oct. 2026
Treatments follow Thai, Chinese, and Indian healing methods, and the cavernous aqua-therapy lounge with sauna and vitality pool is a blissful hangout after a massage.

— Condé Nast, Condé Nast Traveler, 7 Oct. 2026

Definition of vitality

Noun

In truth, a night that started with so much gusto fell a bit flat from City’s perspective.

— Ben Church, CNN Money, 14 Oct. 2026
In the nineteen-thirties—a decade of political assassinations, failed military coups, brutal invasions of China, and a hard-right reaction against the relative liberalism of the nineteen-twenties—the yakuza embraced the Zeitgeist with gusto.

— Ian Buruma, New Yorker, 12 Oct. 2026

Definition of gusto

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.

Browse Nearby Words

tirelessly

tirelessness

tires

See all Nearby Words

Cite this Entry

Style

“Tirelessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tirelessness. Accessed 21 Oct. 2026.

Copy Citation

Synonyms of tirelessness

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

jilt

Popular in Grammar & Usage

Merriam-Webster’s Great Big List of Words You Love to Hate

'Can' vs. 'May'

'Affect' vs. 'Effect'

More Commonly Mispronounced Words

Is it 'nerve-racking' or 'nerve-wracking'?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Did 'orange' the fruit or the color come first?

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

Merriam-Webster’s Great Big List of Words You Love to Hate

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes