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
But the indefatigable Type 1 continued to multiply in Australia, Brazil, Mexico, and Nigeria until the last Beetle was hatched in 2003.
—
Robert Ross, Robb Report, 12 Sep. 2025
The result is, in some respects, a rather straightforward documentary portrait of an indefatigable journalist.
—David Ehrlich, IndieWire, 29 Aug. 2025
And the indefatigable McCartney is expected to pack the United Center for his Nov. 24 and 25 concerts.
—Michael Peregrine, Chicago Tribune, 20 Aug. 2025
Princess Anne is the second child and only daughter of the late Queen Elizabeth and Prince Philip, and has followed in her parents' footsteps with an indefatigable devotion to royal duty.
—Janine Henni, People.com, 8 Aug. 2025
See All Example Sentences for indefatigable
Robert Ross, Robb Report, 12 Sep. 2025
The result is, in some respects, a rather straightforward documentary portrait of an indefatigable journalist.
—David Ehrlich, IndieWire, 29 Aug. 2025
And the indefatigable McCartney is expected to pack the United Center for his Nov. 24 and 25 concerts.
—Michael Peregrine, Chicago Tribune, 20 Aug. 2025
Princess Anne is the second child and only daughter of the late Queen Elizabeth and Prince Philip, and has followed in her parents' footsteps with an indefatigable devotion to royal duty.
—Janine Henni, People.com, 8 Aug. 2025
See All Example Sentences for indefatigable
Recent Examples of Synonyms for indefatigable
Adjective
-
Her correspondence with these men was meticulous — and Belle set the terms.—
Christina Coulter,
PEOPLE,
11 Oct. 2025
-
But Steinman lacked the meticulous attention to detail they had been conditioned to demand by Lange, going so far as to accept an out-of-tune warm-up take.—
Todd Longwell,
Variety,
9 Oct. 2025
Adjective
-
Sometimes that truth was heroic—his tireless advocacy for Leonard Peltier, or in defense of the Arctic National Wildlife Refuge—and sometimes the truth was less flattering.—
Literary Hub,
Literary Hub,
14 Oct. 2025
-
The fight for justice never ends as Benson and her squad provide a tireless voice for the voiceless.—
Denise Petski,
Deadline,
10 Oct. 2025
Adjective
-
Our sky is constantly changing as the relentless passing of the seasons and movement of the planets, moon, comets and Earth itself bring an ever-shifting array of astronomical targets into view.—
Anthony Wood,
Space.com,
14 Oct. 2025
-
By hypothesizing that a phase of relentless, exponential expansion preceded and set up the hot Big Bang, inflation implies the following.—
Big Think,
Big Think,
14 Oct. 2025
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
-
More than 70 percent of the participants were identified as being open-minded, conscientious, and emotionally stable.—
Alyssa Ages,
Outside,
30 Sep. 2025
-
More than 30 years ago, Greider, a conscientious journalist with a keen eye for detail, exposed how the American political system had been bent toward wealthy interests who could afford to hire lobbyists.—
Zephyr Teachout,
The Atlantic,
22 Sep. 2025
Adjective
-
The show follows Bluey, a loveable and inexhaustible blue heeler (aka Australian Cattle Dog) puppy, and her life with her dad, mom and little sister Bingo.—
Max Goldbart,
Deadline,
12 Oct. 2025
-
It is considered both sustainable and nearly inexhaustible.—
Georgina Jedikovska,
Interesting Engineering,
10 Oct. 2025
Adjective
-
Add stock and bring to a vigorous simmer over medium-high.—
Elizabeth Mervosh,
Southern Living,
12 Oct. 2025
-
The participants completed at least two daily exercise snacks (defined as moderate-vigorous to near-maximal physical activity for five minutes or less), three times a week or more, over a period of 4 to 12 weeks.—
Tom Gavin,
EverydayHealth.com,
10 Oct. 2025
Cite this Entry
“Indefatigable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefatigable. Accessed 19 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share