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
Their strategic efforts have built momentum towards the introduction of a federal film and television production tax incentive and IATSE will continue its tireless advocacy with Congress and the White House to achieve that goal.
—
Dominic Patten, Deadline, 20 Mar. 2026
Although Chavez received more public attention in the era for his work, Huerta was a tireless advocate and a unique voice for women in the agricultural industry at a time when their needs were ignored by male leadership.
—Hannah Fry, Los Angeles Times, 18 Mar. 2026
Angela’s tireless pursuit of creative expression through her work sets a standard that’s unmatched.
—Heide Janssen, Oc Register, 15 Mar. 2026
In recognition of her tireless efforts to promote youth literacy, Santos was honored March 3 by her hometown of National City.
—Pam Kragen, San Diego Union-Tribune, 15 Mar. 2026
See All Example Sentences for tireless
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Dominic Patten, Deadline, 20 Mar. 2026
Although Chavez received more public attention in the era for his work, Huerta was a tireless advocate and a unique voice for women in the agricultural industry at a time when their needs were ignored by male leadership.
—Hannah Fry, Los Angeles Times, 18 Mar. 2026
Angela’s tireless pursuit of creative expression through her work sets a standard that’s unmatched.
—Heide Janssen, Oc Register, 15 Mar. 2026
In recognition of her tireless efforts to promote youth literacy, Santos was honored March 3 by her hometown of National City.
—Pam Kragen, San Diego Union-Tribune, 15 Mar. 2026
See All Example Sentences for tireless
Cite this Entry
“Tireless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tireless. Accessed 21 Mar. 2026.
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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