tireless

adjective

tire·​less ˈtī(-ə)r-ləs How to pronounce tireless (audio)
: 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 only reason why funding has now been partially secured for some school programs, such as community schools and social workers, is the tireless advocacy of students, parents, school staff, community members, and the City Council. Camilla Vaquero, New York Daily News, 17 June 2024 Along with his acting work, McKellan is known for his tireless activism, supporting multiple LGBTQIA+ organizations, bringing the art of performance to children’s hospitals, and raising money for suffering theaters. Harrison Richlin, IndieWire, 17 June 2024 Teammates have lauded the tireless effort that has gone into his transition — most notably the extensive routine of infield drills Betts will take under the guidance of longtime third base coach Dino Ebel and experienced shortstop teammate Miguel Rojas before almost every game. Jack Harris, Los Angeles Times, 11 June 2024 Each year, our tireless research team crunches the numbers that comprise our Fortune 500 rankings. Bylydia Belanger, Fortune, 4 June 2024 See all Example Sentences for tireless 

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.

Word History

First Known Use

1591, in the meaning defined above

Time Traveler
The first known use of tireless was in 1591

Dictionary Entries Near tireless

Cite this Entry

“Tireless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tireless. Accessed 2 Jul. 2024.

Kids Definition

tireless

adjective
tire·​less ˈtī(ə)r-ləs How to pronounce tireless (audio)
: seeming never to get tired
a tireless worker
tirelessly adverb

More from Merriam-Webster on tireless

Last Updated: - Updated example sentences
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