tireless
adjective
tire·less
ˈtī(-ə)r-ləs 
: seemingly incapable of tiring : indefatigable
a tireless worker
tirelessly
adverb
tirelessness
noun
Examples of tireless in a Sentence
She has been a tireless advocate for reform.
a tireless advocate for human rights
Recent Examples on the Web
The 2024-25 campaign was also a coming-out party for 22-year-old defenseman Jake Sanderson, a tireless skater with strong defensive chops.
—
Carol Schram, Forbes.com, 13 Aug. 2025
In many cases, the revelations of his work have led to governmental reckonings and legal ramifications, yet Hersh, now 88 and surrounded by boxes of files from decades of tireless work, sees himself not as a crusader but as a citizen just doing his job.
—Jill Goldsmith, Deadline, 5 Aug. 2025
This victory would not have been possible without the tireless efforts of advocates, families and legislators, as well as a willingness to collaborate with the insurance industry.
—Chicago Tribune, 6 July 2025
From overcoming early barriers as a woman in medicine to helping modernize cardiac care and mentoring the next generation of physicians, her passion for healing and her tireless work have made a significant impact.
—Lyssanoel Frater, USA Today, 30 July 2025
See All Example Sentences for tireless
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Carol Schram, Forbes.com, 13 Aug. 2025
In many cases, the revelations of his work have led to governmental reckonings and legal ramifications, yet Hersh, now 88 and surrounded by boxes of files from decades of tireless work, sees himself not as a crusader but as a citizen just doing his job.
—Jill Goldsmith, Deadline, 5 Aug. 2025
This victory would not have been possible without the tireless efforts of advocates, families and legislators, as well as a willingness to collaborate with the insurance industry.
—Chicago Tribune, 6 July 2025
From overcoming early barriers as a woman in medicine to helping modernize cardiac care and mentoring the next generation of physicians, her passion for healing and her tireless work have made a significant impact.
—Lyssanoel Frater, USA Today, 30 July 2025
See All Example Sentences for tireless
Cite this Entry
“Tireless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tireless. Accessed 20 Aug. 2025.
Copy CitationKids Definition
tireless
adjective
tire·less
ˈtī(ə)r-ləs
: seeming never to get tired
a tireless worker
tirelessly
adverb
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