tireless
adjective
tire·less
ˈtī(-ə)r-ləs 
: seemingly incapable of tiring : indefatigable
a tireless worker
tirelessly
adverb
tirelessness
noun
Synonyms
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 tireless efforts of Sen. Williams and Rep. Crawford this session will ensure Alabamians continue to purchase safe, wholesome, real beef.
—
Anthony Robledo, USA TODAY, 14 May 2024
In 1992, she was diagnosed with breast cancer and became a tireless advocate for cancer research throughout the rest of her life, founding the Olivia Newton-John Cancer and Wellness Centre in Australia.
—Andrew Walsh, EW.com, 9 May 2024
Now, one of the ecosystem’s most respected trailblazers is being recognized for her tireless work.
—Jasmine Browley, Essence, 8 May 2024
One client, a skilled worker who suffered a debilitating fall from heights, received a multi-million dollar settlement thanks to GGL's tireless efforts.
—Chris Gallagher, USA TODAY, 18 Apr. 2024
The Berryessa expansion wouldn’t be considered without the tireless efforts of local members of Congress Mike Thompson and John Garamendi.
—Letters To The Editor, The Mercury News, 15 Apr. 2024
The entire issue was a tireless effort by the PEOPLE staff — and is available now.
—Lindsay Kimble, Peoplemag, 10 Apr. 2024
Here, one woman (Katherine Henly, tireless in a role with equal demands on her voice and acting skills) is whisked from scene to scene, like a latter-day Wozzeck.
—Joshua Barone, New York Times, 4 Apr. 2024
More than 15 years earlier, Andrés had begun channeling his status as a celebrity chef into tireless work in the world’s most desperate places, hammered by disasters natural and man-made.
—Nabih Bulos, Los Angeles Times, 2 Apr. 2024
Anthony Robledo, USA TODAY, 14 May 2024
In 1992, she was diagnosed with breast cancer and became a tireless advocate for cancer research throughout the rest of her life, founding the Olivia Newton-John Cancer and Wellness Centre in Australia.
—Andrew Walsh, EW.com, 9 May 2024
Now, one of the ecosystem’s most respected trailblazers is being recognized for her tireless work.
—Jasmine Browley, Essence, 8 May 2024
One client, a skilled worker who suffered a debilitating fall from heights, received a multi-million dollar settlement thanks to GGL's tireless efforts.
—Chris Gallagher, USA TODAY, 18 Apr. 2024
The Berryessa expansion wouldn’t be considered without the tireless efforts of local members of Congress Mike Thompson and John Garamendi.
—Letters To The Editor, The Mercury News, 15 Apr. 2024
The entire issue was a tireless effort by the PEOPLE staff — and is available now.
—Lindsay Kimble, Peoplemag, 10 Apr. 2024
Here, one woman (Katherine Henly, tireless in a role with equal demands on her voice and acting skills) is whisked from scene to scene, like a latter-day Wozzeck.
—Joshua Barone, New York Times, 4 Apr. 2024
More than 15 years earlier, Andrés had begun channeling his status as a celebrity chef into tireless work in the world’s most desperate places, hammered by disasters natural and man-made.
—Nabih Bulos, Los Angeles Times, 2 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'tireless.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Tireless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tireless. Accessed 17 May. 2024.
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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