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 This success would not have been possible without our steadfast collaboration with Excel Media and Entertainment and the tireless efforts of the cast and crew. Sara Merican, Deadline, 12 July 2024 Roosevelt was a tireless conservationist who made use of every second. Carolyn Gusoff, CBS News, 28 June 2024 This tireless director is already working on her next projects, which include a romantic comedy and a family holiday movie. Tyler Shepherd, USA TODAY, 28 June 2024 St Martin's Visitors might find their time on Scilly a peaceful change of pace, but that's a stark contrast to the tireless energies of the thriving communities that are the islands' lifeblood. Julia O'Driscoll, The Week Uk, theweek, 11 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 26 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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