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 family wishes to express their deepest gratitude for their tireless work and has decided that any surplus funds raised will be donated to support their vital service.
—
Tommy Tuberville, Newsweek, 7 Mar. 2025
The episode captures Brandt’s tireless dedication, from lacing up her pointe shoes to executing perfect pirouettes in the middle of a New York City street.
—Lilah Ramzi, Vogue, 4 Mar. 2025
Despite her countless accolades, Allen remains as tireless as ever, balancing her responsibilities as a director, producer, philanthropist, and mentor.
—Okla Jones, Essence, 17 Feb. 2025
Yet smothering defense, tireless effort and relentless rebounding fueled another win for St. John’s (22-4).
—Peter Sblendorio, New York Daily News, 16 Feb. 2025
See All Example Sentences for tireless
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Tommy Tuberville, Newsweek, 7 Mar. 2025
The episode captures Brandt’s tireless dedication, from lacing up her pointe shoes to executing perfect pirouettes in the middle of a New York City street.
—Lilah Ramzi, Vogue, 4 Mar. 2025
Despite her countless accolades, Allen remains as tireless as ever, balancing her responsibilities as a director, producer, philanthropist, and mentor.
—Okla Jones, Essence, 17 Feb. 2025
Yet smothering defense, tireless effort and relentless rebounding fueled another win for St. John’s (22-4).
—Peter Sblendorio, New York Daily News, 16 Feb. 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 31 Mar. 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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