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
During the next two months, our reporters will spotlight stories of individuals whose lives have been transformed by the tireless work of their neighbors, showing the human impact behind every donation.
—
Silvia Solis, AZCentral.com, 23 Nov. 2025
Police Chief Joe LeDuc said tireless work led law enforcement to Wiseman.
—Minyvonne Burke, NBC news, 12 Nov. 2025
But with the community’s help and the work of Mothership’s tireless staff, it’s set to welcome guests for the first time in three months.
—Rachel Bernhard, jsonline.com, 10 Nov. 2025
Thank you all for the tireless support and friendship.
—Carly Thomas, HollywoodReporter, 9 Nov. 2025
See All Example Sentences for tireless
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Silvia Solis, AZCentral.com, 23 Nov. 2025
Police Chief Joe LeDuc said tireless work led law enforcement to Wiseman.
—Minyvonne Burke, NBC news, 12 Nov. 2025
But with the community’s help and the work of Mothership’s tireless staff, it’s set to welcome guests for the first time in three months.
—Rachel Bernhard, jsonline.com, 10 Nov. 2025
Thank you all for the tireless support and friendship.
—Carly Thomas, HollywoodReporter, 9 Nov. 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 30 Nov. 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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