un·​tir·​ing | \ ˌən-ˈtī-riŋ How to pronounce untiring (audio) \

Definition of untiring

: not becoming tired : indefatigable an untiring worker

Other Words from untiring

untiringly adverb

Examples of untiring in a Sentence

the camel's reputation as an untiring beast of burden the detective's untiring investigation of the crime finally led to several arrests
Recent Examples on the Web Joe was a philanthropist, a community leader, and an unwavering and untiring supporter of the U.S. Military and his country. al, 25 May 2022 Speeches Malcolm X was known as an articulate speaker, charismatic person, and an untiring organizer. Branden Hunter, Detroit Free Press, 19 May 2020 All speakers paid tribute to Jack Gross, owner of the new station, for his untiring efforts to bring San Diego its own television station. sandiegouniontribune.com, 17 May 2018 Still, Clark's adrenaline and untiring preparation propelled her to a second place finish in Oslo and a third place finish at the Burton US Open the following month. Nihal Kolur, SI.com, 30 Oct. 2017 The public eye in Pakistan today is an unforgiving, untiring beast that never sleeps. chicagotribune.com, 4 Aug. 2017 Corrupt regimes long reviled by their populace are being brought down left and right, thanks to the brilliant and untiring efforts of democracy activists. Bruce Sterling, WIRED, 16 Feb. 2011 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'untiring.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of untiring

1822, in the meaning defined above

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The first known use of untiring was in 1822

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Cite this Entry

“Untiring.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/untiring. Accessed 17 Aug. 2022.

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More Definitions for untiring


un·​tir·​ing | \ ˌən-ˈtī-riŋ How to pronounce untiring (audio) \

Kids Definition of untiring

: not becoming tired


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