undying

from WordNet (r) 3.0 (2006)

undying
    adj 1: never dying; "his undying fame" [syn: {deathless},
           {undying}]

from The Collaborative International Dictionary of English v.0.48

Undying \Un*dy"ing\, a.
   Not dying; imperishable; unending; immortal; as, the undying
   souls of men.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

39 Moby Thesaurus words for "undying":
      abiding, amaranthine, continuing, continuous, deathless, embalmed,
      ever-fresh, everlasting, fadeless, frozen, immortal, imperishable,
      impregnable, incorruptible, indefatigable, indelible,
      indestructible, ineffaceable, ineradicable, inexpugnable,
      inextinguishable, interminable, invincible, invulnerable,
      never-dying, nonperishable, persistent, quenchless, remaining,
      staying, steady, sticking, sustained, unceasing, undampable,
      undestroyable, unfading, unquenchable, unremitting