from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Not tiring; tireless.
  • adj. Not ceasing despite fatigue or frustration; indefatigable: untiring efforts. See Synonyms at tireless.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Not able to be tired; inexhaustible.
  • adj. Unfailing; resolute.

from The Century Dictionary and Cyclopedia

  • Not becoming tired or exhausted; unwearied: as, untiring patience.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. characterized by hard work and perseverance


Sorry, no etymologies found.


  • At the ceremony, various speakers eulogized Uba for what they described as his untiring effort to make PDP the number one political party in the state, adding that of all the political leaders in the party, he is the only one without personal ambition as his interest is how to move Anambra forward.

    Vanguard News

  • The Congress President also recalled the untiring devotion and enthusiasm with which doctors, nurses, fire brigade and ambulance services worked together dealing with all the wounded and troubled.


  • The choice of Ahtisaari honoured an "outstanding mediator," Mjos said, noting his "untiring" efforts.

    The Earth Times Online Newspaper

  • Nineteen years have elapsed, and despite our untiring efforts, we have failed to find the man who really did throw the bomb.

    Chapter 17: The Scarlet Livery

  • How hard he toiled and how greatly he suffered, I well know; for I have been with him during these twenty anxious years and I know his patience, his untiring effort, his infinite devotion to the Cause for which, only two months gone, he laid down his life.

    Chapter 1: My Eagle

  • It was the old and ever-untiring pursuit of gold, and they had come to the Solomons to get it.

    Chapter 14

  • He won the 2002 peace prize for "his decades of untiring effort to find peaceful solutions to international conflicts."

    What if Nobel Prize winners ran the country?

  • The untiring guru of movie publicity hits the French Riviera for the 64th annual Cannes Film Festival.

    Peggy Siegal: To Cannes With Love,

  • Jackson especially is an untiring taskmaster who drills his daughters on their studies and their musical abilities.

    Jackie K. Cooper: Sunrise on the Battery Gives Hart a Pulpit For Her Beliefs

  • Corrupt regimes long reviled by their populace are being brought down left and right, thanks to the brilliant and untiring efforts of democracy activists.

    The Yes Men: Could the Chamber of Commerce Leak Scandal Rouse America's "Facebook Generation"?


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