deathless; unending.

1250–1300; Middle English; see un-1, dying

undyingly, adverb

unceasing, immortal, perpetual, enduring.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To undying
World English Dictionary
undying (ʌnˈdaɪɪŋ)
unending; eternal

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Word Origin & History

c.1300, "immortal," from un- (1) "not" + pp. of die (v.). Fig. sense, of feelings, etc., is recorded from c.1765.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
It makes no sense on any level, except to those who have an undying faith in
  the existence of the sasquatch.
They don't deserve the unstinting praise and the undying devotion if they're
  not willing to come clean.
They had enormous egos and an undying fixation on self-discovery, values, and
  moral confrontation.
Their undying efforts have led to increased research for potential new drugs
  and expanded exploration of space.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature