not declining in strength or vigour; tireless

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for unflagging

Contemporary Examples of unflagging

Historical Examples of unflagging

  • Was this, then, the end of his six years of unflagging devotion?

  • Here was a woman of insistent, unflagging, unending activity.


    Kate Douglas Wiggin

  • All that night and next day they wrought with unflagging energy at the pumps.

    Saved by the Lifeboat

    R.M. Ballantyne

  • Here and there were the prints of their clawed feet—the signs of their unflagging pursuit.

    The War Trail

    Mayne Reid

  • All boys will read his stories with eager and unflagging interest.

Word Origin and History for unflagging

1715, from un- (1) "not" + present participle of flag (v.). Related: Unflaggingly.

Online Etymology Dictionary, © 2010 Douglas Harper