Definition of "untiring" []

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

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "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."
• "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."