tireless

adjective
tire·​less | \ ˈtī(-ə)r-ləs How to pronounce tireless (audio) \

Definition of tireless

: seemingly incapable of tiring : indefatigable a tireless worker

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Other Words from tireless

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

The hub of the gyroscopic story is Houghton Forster, who creates PanCola in his Mississippi pharmacy near the end of the 19th century and through tireless lobbying and clever branding raises it to international renown. Sam Sacks, WSJ, "Fiction: The Flavor of the American Century," 15 Feb. 2019 Your tireless commitment, discipline and hard work never ceases to amaze me. Erica Gonzales, Harper's BAZAAR, "Gisele Bündchen's Reaction to Tom Brady's Super Bowl Win Was Priceless," 4 Feb. 2019 But West Ham's Javier Hernandez impressed as well, displaying tireless energy and effort to help his side keep the 2014 champions at bay. SI.com, "West Ham Forward Talks Potential Napoli Move After Receiving Praise From Carlo Ancelotti," 18 June 2018 Bill’s passion for the arts was felt by all who knew him, and his warmth and tireless energy were undeniable. Mike Miller, PEOPLE.com, "Bill Paxton's Family Blames Surgeon Who Operated on Him and Hospital for Actor's Death at 61," 13 Feb. 2018 Such a simple thing brought us closer, allowing my daughter and I to share in her tireless efforts to feed her family. Miriam Foley, Good Housekeeping, "I Didn't Appreciate My Mother-in-Law Until I Had a Daughter," 17 Jan. 2019 Her mother Edna Fischel Gellhorn was a tireless advocate for the disenfranchised, championing women’s suffrage, child welfare laws, and free health clinics. Paula Mclain, Town & Country, "The Extraordinary Life of Martha Gellhorn, the Woman Ernest Hemingway Tried to Erase," 12 July 2018 But at the height of the battle to reform the state’s criminal justice laws a decade ago, Pelzer — a charismatic army veteran turned community organizer — was a tireless advocate for easing the path of criminal offenders back into society. Adrian Walker, BostonGlobe.com, "Ex-offenders lose a tireless advocate," 3 July 2018 Anthony Bourdain was a tireless advocate for the underdog, writes Alice Driver. CNN, "Settle in with these weekend reads," 9 June 2018

These 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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First Known Use of tireless

1591, in the meaning defined above

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Dictionary Entries near tireless

tire chain

tired

tire gage

tireless

tireman

tire of

tire press

Statistics for tireless

Last Updated

23 Mar 2019

Look-up Popularity

Time Traveler for tireless

The first known use of tireless was in 1591

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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

tireless

adjective
tire·​less | \ ˈtīr-ləs How to pronounce tireless (audio) \

Kids Definition of tireless

: able to work or persist a long time without becoming tired

Other Words from tireless

tirelessly adverb

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More from Merriam-Webster on tireless

Rhyming Dictionary: Words that rhyme with tireless

Thesaurus: All synonyms and antonyms for tireless

Spanish Central: Translation of tireless

Nglish: Translation of tireless for Spanish Speakers

Britannica English: Translation of tireless for Arabic Speakers

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