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
Social-media-influencer culture also latched on to the phrase for its own attentional ends, as did brands, the indefatigable scavengers.
—
Ian Bogost, The Atlantic, 12 Dec. 2025
But as long as as the indefatigable Warren continues to cast her aural spells, the music industry will have a devoted caretaker.
—Melissa Ruggieri, USA Today, 10 Dec. 2025
That indefatigable cheerfulness, even when describing scenes that sound brutal to almost anyone else, ran through the entire interview.
—Eva Roytburg, Fortune, 5 Dec. 2025
Tammie Rosen, beloved film festival mainstay, indefatigable publicist, absolutely devoted Bruce Springsteen fan, and friend to so many in the indie film world, has passed away after a battle with cancer.
—Kate Erbland, IndieWire, 3 Dec. 2025
See All Example Sentences for indefatigable
Ian Bogost, The Atlantic, 12 Dec. 2025
But as long as as the indefatigable Warren continues to cast her aural spells, the music industry will have a devoted caretaker.
—Melissa Ruggieri, USA Today, 10 Dec. 2025
That indefatigable cheerfulness, even when describing scenes that sound brutal to almost anyone else, ran through the entire interview.
—Eva Roytburg, Fortune, 5 Dec. 2025
Tammie Rosen, beloved film festival mainstay, indefatigable publicist, absolutely devoted Bruce Springsteen fan, and friend to so many in the indie film world, has passed away after a battle with cancer.
—Kate Erbland, IndieWire, 3 Dec. 2025
See All Example Sentences for indefatigable
Recent Examples of Synonyms for indefatigable
Adjective
-
Lehane taps into the paranoia of the 1950s with aplomb, with meticulous research into the McCarthy era.—
Oline H. Cogdill,
Sun Sentinel,
22 Jan. 2026
-
Their goal is to restore the property — which was designed with meticulous detail — to a clean and stable condition suitable for future redevelopment and community use, according to SaJade Miller, President of Livingston Community Development Foundation.—
Kamal Morgan,
Fort Worth Star-Telegram,
21 Jan. 2026
Adjective
-
In recognition of her tireless efforts and the impact her work had on the casting community, Adler will be receiving the Rosalie Joseph Humanitarian Award, given to those who have made outstanding contributions to humanitarian causes that have in turn supported the casting community.—
Payton Turkeltaub,
Variety,
23 Jan. 2026
-
Bob Weir, a founding member of the Grateful Dead whose rhythm guitar work, songwriting and tireless touring helped push traditional American blues and folk music into the modern era, has died, according to a statement posted Saturday to his official website.—
Dennis Romero,
NBC news,
10 Jan. 2026
Adjective
-
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.—
Theresa Braine,
New York Daily News,
7 Jan. 2026
-
Czechia had trouble handling a relentless Sweden forecheck and tight coverage all over.—
Joe Smith,
New York Times,
6 Jan. 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
-
Many states are new enacting or widening already broad religious and conscientious exemptions.—
Richard Hughes IV,
STAT,
12 Jan. 2026
-
Also, remain mindful and conscientious of how our actions affect those beyond ourselves.—
Madison Dapcevich,
Outside,
9 Jan. 2026
Adjective
-
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
-
Beyond its thriving market, Spain remains an inexhaustible creative force.—
Leila Cobo,
Billboard,
15 Dec. 2025
Adjective
-
Federal guidelines recommend at least 150 minutes of moderate-intensity exercise per week, such as brisk walking, or 75 minutes of vigorous activity.—
Deirdre Bardolf,
FOXNews.com,
24 Jan. 2026
-
Preliminary research released by the American Academy of Neurology in February also found a link between regularly getting moderate-to-vigorous physical activity and a lower risk of developing dementia.—
Korin Miller,
SELF,
23 Jan. 2026
Cite this Entry
“Indefatigable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/indefatigable. Accessed 29 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
