tireless

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CHICAGO - Once known as a tireless bloodhound who tracked down fugitive gang leaders, deputy U.S. marshal John T. Ambrose now faces trial himself on charges alleging he betrayed his oath and leaked secrets to the mob. click image to enlarge

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Definitions (7)

Toggle American Heritage definitions American Heritage Dictionary (2)

  1. adjective Not yielding to fatigue; untiring or indefatigable.
  2. Syntax Note
    Synonyms: tireless, indefatigable, unflagging, untiring, unwearied, weariless
    These adjectives mean having or showing a capacity for prolonged and laborious effort: a tireless worker; an indefatigable advocate of human rights; unflagging pursuit of excellence; untiring energy; an unwearied researcher; a weariless defender of freedom of the press.

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Toggle GNU Webster definitions GNU Webster's 1913 (1)

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Examples (50)

  • It is relentless and it is tireless, and it conquers every little place where living is possible. —  Asimov's SF, June2006
  • He was absolutely tireless, and absolutely honest so far as my stuff was concerned; and if he stole such trifles as cattle bells, reins, or neck strops, he always did it for my benefit. —  Diary of a Soldier of Fortune
  • Being a perplexed, tireless, and to reiterate, godless observer of our human condition, I've long believed my species, the human species, has gone terribly awry. —  Signs of the Times
  • CHICAGO -- Once known as a tireless bloodhound who tracked down fugitive gang leaders, deputy U.S. marshal John T. Ambrose now faces trial himself on charges alleging he betrayed his oath and leaked secrets to the mob. —  The Herald | HeraldOnline.com - Front
  • CHICAGO - Once known as a tireless bloodhound who tracked down fugitive gang leaders, deputy U.S. marshal John T. Ambrose now faces trial himself on charges alleging he betrayed his oath and leaked secrets to the mob. —  WRAL.com Top Stories
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Roget's II Roget's II: The New Thesaurus

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Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary. Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Etymologies (2)

Toggle Century etymologies Century Dictionary (2)

  1. from tire, v., + -less.
  2. from tire + -less.
 

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/ˈtaɪrlɛs/
by American Heritage

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