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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Dixon’s commitment to his clients is evident in his tireless dedication to their well-being. William Jones, USA TODAY, 16 Jan. 2025 The rapper, entrepreneur, and Houston legend has been a tireless advocate for the city that raised him. Shelby Stewart, Essence, 10 Jan. 2025 Herer was one of the first to call for cannabis legalization, and his tireless activism played a key role in changing public perceptions of cannabis. Matt Rozo, The Mercury News, 2 Jan. 2025 Jadon Sancho and Pedro Neto struggled to consistently create advantages in one-vs-one situations, while Jackson was left with little to show for 73 minutes of typically tireless running with and without the ball. Liam Twomey, The Athletic, 27 Dec. 2024 See all Example Sentences for tireless 

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 23 Jan. 2025.

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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