tireless
adjective
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Definition of tireless
: seemingly incapable of tiring : indefatigable a tireless worker
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Synonyms for tireless
Synonyms
indefatigable, inexhaustible, unflagging, untiring, weariless
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Examples of tireless in a Sentence
Recent Examples on the Web
The two chatted about everything from motherhood after #MeToo to politics and Stone's tireless work in HIV/AIDS activism. — Amanda Mitchell, Marie Claire, "Sharon Stone on Being a Mom to Sons in a Post-MeToo World," 16 Oct. 2018 Bill's passion for the arts was felt by all who knew him, and his warmth and tireless energy were undeniable. — Fox News, "Bill Paxton's surgeon, hospital deny responsibility for his death," 2 Oct. 2018 But its disappearance left behind a compelling mystery, one kept in the public consciousness for years by the tireless efforts of Franklin’s widow. — Kiona N. Smith, Ars Technica, "Strands of hair shed light on doomed 19th-century Arctic expedition," 30 Sep. 2018 Under his tireless leadership, Sunroof of Florida quickly became a strong and profitable business, ultimately expanding into a second location in Jacksonville. — Sun-Sentinel.com, "Deaths in South Florida: 2/6," 6 Feb. 2018 Li and Yan said Chiang was a tireless supporter of their work. — Kevin Truong /, NBC News, "New pop-rock poetry musical shines a spotlight on queer Asian-Americans," 9 July 2018 Sonia Russell Lieutenant Sonia Russell, demonstrates outstanding leadership and tireless effort in addressing the organizational improvement, community enrichment and professional development. — Brandon Patterson, Detroit Free Press, "How these 20 women are protecting Detroiters every day," 23 May 2018 Bourdain was a tireless advocate for his girlfriend and the #MeToo movement and went to great lengths to keep the story in the press using his social-media platforms and his connections. — Kenzie Bryant, Vanities, "Asia Argento on Anthony Bourdain: “He Was My Love, My Rock, My Protector”," 8 June 2018 Manchester dedicated an island along the Hockanum River in honor of the late Doug Smith, a tireless advocate of the waterway and its trail system. — Peter Marteka, courant.com, "An Island Tribute For Trailblazer Doug Smith," 3 June 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'tireless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for tireless
tireless
adjective
English Language Learners Definition of tireless
: working very hard with a lot of energy for a long time : never seeming to get tired
See the full definition for tireless in the English Language Learners Dictionary
tireless
adjective
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Kids Definition of tireless
: able to work or persist a long time without becoming tired
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