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 Ok Lee also breaks down the tireless ways the crew sought to create an authentic experience—like recreating tiles at a Hong Kong noodle shop in LA and swapping every single light bulb at a real night market. Eda Yu, The Hollywood Reporter, 22 May 2024 There’s David Shealy, tireless promoter and proprietor of a Skunk-Ape theme campground in tiny Ochopee on the Tamiami Trail, who guided them on that semi-scary walk. Miami Herald Archives, Miami Herald, 20 May 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 29 May. 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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