as in meticulous
showing no signs of weariness even after long hard effort
an indefatigable laborer who can work from sunrise to sunset
Synonyms & Similar Words
Relevance
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 indefatigable
His strong ball-carrying and indefatigable out-of-possession work may be impressive, but the 24-year-old was not merely acquired as another physical midfield runner or a ‘bits-and-pieces’ player.
—
Anantaajith Raghuraman, New York Times, 13 Feb. 2026
In particular, the Routledges’ research was no match for the narrative skills and indefatigable energy of the swashbuckling Norwegian explorer Thor Heyerdahl.
—Margaret Talbot, New Yorker, 26 Jan. 2026
This is who Williams has always been, setting an example with an indefatigable work ethic, a constant desire to evolve and grow.
—Adam Grosbard, Oc Register, 23 Jan. 2026
Before Rick Garcia died Monday night, the indefatigable gay rights activist’s brother recalled a childhood photo.
—Jake Sheridan, Chicago Tribune, 14 Jan. 2026
See All Example Sentences for indefatigable
Anantaajith Raghuraman, New York Times, 13 Feb. 2026
In particular, the Routledges’ research was no match for the narrative skills and indefatigable energy of the swashbuckling Norwegian explorer Thor Heyerdahl.
—Margaret Talbot, New Yorker, 26 Jan. 2026
This is who Williams has always been, setting an example with an indefatigable work ethic, a constant desire to evolve and grow.
—Adam Grosbard, Oc Register, 23 Jan. 2026
Before Rick Garcia died Monday night, the indefatigable gay rights activist’s brother recalled a childhood photo.
—Jake Sheridan, Chicago Tribune, 14 Jan. 2026
See All Example Sentences for indefatigable
Recent Examples of Synonyms for indefatigable
Adjective
-
The show has drawn praise for its meticulous re-creation of ‘90s New York — and also scorn from members of the Kennedy family and mixed reactions from others who knew the couple.—
Rick Porter,
HollywoodReporter,
5 Mar. 2026
-
Through meticulous reporting and exclusive access, Neyfakh and Canaan trace how the spicy subscription platform has surprisingly become an emotional marketplace.—
Todd Spangler,
Variety,
4 Mar. 2026
Adjective
-
Both teams were certainly dealing with exhaustion, but tireless Tia Chan, who starred in this game two years ago, turned in another clutch performance, making 57 saves, including 33 during 25 1/2 minutes of sudden death overtime, many of then spectacular.—
Dom Amore,
Hartford Courant,
8 Mar. 2026
-
Through the protests in the streets of Iran and the tireless advocacy of the diaspora, the Iranian people’s desire for a secular democracy and rule of law is undeniable.—
Derek Tran,
Oc Register,
6 Mar. 2026
Adjective
-
So too is a work ethic peers often describe as relentless, paired with a preternatural optimism that keeps him pushing through setbacks.—
Douglas Robson,
Los Angeles Times,
9 Mar. 2026
-
Mafe is a relentless, consistently productive edge rusher who averaged 49 pressures per season over the last three years.—
Andrew Callahan,
Boston Herald,
8 Mar. 2026
Adjective
-
Joe was a philanthropist, a community leader, and an unwavering and untiring supporter of the U.S. Military and his country.—
al,
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
Adjective
-
The new press release appears to tout that same unflagging punk ethos.—
Connie Ogle,
Miami Herald,
29 Aug. 2025
-
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.—
John Hopewell,
Variety,
14 Aug. 2025
Adjective
-
Virtually no risk-free approach Even a conscientious employer following the rule and regulatory and judicial interpretation of the rule may have its workplace seating policy second-guessed.—
Dan Eaton,
San Diego Union-Tribune,
23 Feb. 2026
-
For 20-odd years, Adams has been one of Hollywood’s most reliably committed and conscientious performers.—
Guy Lodge,
Variety,
16 Feb. 2026
Adjective
-
Domestically written, produced, and performed films and series felt inexhaustible and were widely popular.—
Lily Moayeri,
Rolling Stone,
3 Mar. 2026
-
Such a wellspring of material is seemingly inexhaustible, though the show strains a bit when working to match the festival shooting as a crucible that pushes its cast to the breaking point.—
Alison Herman,
Variety,
5 Jan. 2026
Adjective
-
Understanding Stainless Steel Scratches Stainless steel of all kinds—appliances and cookware—go through vigorous, daily use.—
Ashlyn Needham,
Southern Living,
7 Mar. 2026
-
One 2025 study conducted by researchers at the Johns Hopkins Bloomberg School of Public Health found that getting as little as 35 minutes of moderate to vigorous aerobic exercise decreased the risk of developing dementia by 41%.—
Sandra Rose Salathe,
Flow Space,
6 Mar. 2026
Cite this Entry
“Indefatigable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefatigable. Accessed 10 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
