as in meticulous
showing no signs of weariness even after long hard effort
a tireless advocate for human rights
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 tireless
In celebration of that breakthrough, and of Monroe’s tireless talents, here are all of her horror films so far, ranked from worst to best.
—
Matthew Jackson, Vulture, 22 Oct. 2025
The city of San Francisco is getting safer, thanks to the tireless work of Mayor Daniel Lurie.
—Jim Cramer, CNBC, 19 Oct. 2025
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, 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
See All Example Sentences for tireless
Matthew Jackson, Vulture, 22 Oct. 2025
The city of San Francisco is getting safer, thanks to the tireless work of Mayor Daniel Lurie.
—Jim Cramer, CNBC, 19 Oct. 2025
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, 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
See All Example Sentences for tireless
Recent Examples of Synonyms for tireless
Adjective
-
The most meticulous work on this subject was carried out by David Noble, a historian of technology.—
Literary Hub,
Literary Hub,
10 Nov. 2025
-
Ramon is known for making meticulous in-court analyses for bail and custody decisions.—
Robert Salonga,
Mercury News,
7 Nov. 2025
Adjective
-
McNamara again stood out as indefatigable and disciplined, with superior analytical intelligence and a ravenous appetite for information.—
Foreign Affairs,
Foreign Affairs,
16 Dec. 2025
-
Violet, indefatigable through the most desperate early months, had started showing signs of exhaustion in June, when she was charged with simultaneously starting a long-COVID recovery unit and a COVID hospice service.—
Andrew Martin,
New Yorker,
14 Dec. 2025
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
-
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
-
Bindi’s only six years older, but is very conscientious and a real caregiver.—
Rachel Chang,
Travel + Leisure,
19 Oct. 2025
-
There are unanswered overtures from the choir’s pianist Horner (Robert Emms), a soft, vulnerable young man whose conscientious-objector status renders him a fellow outsider.—
Guy Lodge,
Variety,
19 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
-
Highly active world Enceladus is a highly active world, with a global, salty sub-surface ocean, believed to be the source of its heat.—
Bojan Stojkovski,
Interesting Engineering,
10 Nov. 2025
-
During inquiries, the ICO found 178 active email accounts using passwords identical or similar to those set by the organization’s IT desk when the account was activated.—
Charlotte Reck,
CNN Money,
9 Nov. 2025
Adjective
-
Started from seed, this type of sedum is a vigorous grower, forming a tidy mound with strong, flop-free stems.—
Miranda Crowell,
Better Homes & Gardens,
8 Jan. 2026
-
But a new study, published in Nature Communications in October, says vigorous activity is even more valuable than that.—
Greg Presto,
Outside,
7 Jan. 2026
Cite this Entry
“Tireless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tireless. Accessed 9 Jan. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share