unfading

from WordNet (r) 3.0 (2006)

unfading
    adj 1: of an imaginary flower that never fades [syn:
           {amaranthine}, {unfading}]

from The Collaborative International Dictionary of English v.0.48

Unfading \Unfading\
   See {fading}.

from Moby Thesaurus II by Grady Ward, 1.0

83 Moby Thesaurus words for "unfading":
      abiding, age-long, aged, amaranthine, ancient, antique, changeless,
      chronic, colorfast, constant, continuing, deathless, deep-dyed,
      diuturnal, double-dyed, durable, dyed-in-the-wool, embalmed,
      enduring, ever-fresh, evergreen, everlasting, fadeless, fast, firm,
      fixed, frozen, hardy, immobile, immortal, immutable, imperishable,
      incorruptible, indelible, ingrain, ingrained, intact, intransient,
      inveterate, inviolate, lasting, long-lasting, long-lived,
      long-standing, long-term, longeval, longevous, macrobiotic,
      never-dying, of long duration, of long standing, perdurable,
      perduring, perennial, permanent, perpetual, persistent, persisting,
      quiescent, remaining, rigid, sempervirent, solid, stable, static,
      stationary, staying, steadfast, sustained, torpid, tough,
      unaltered, unchangeable, unchanged, unchanging, unchecked,
      undestroyed, undying, unfailing, unshifting, unvaried, unvarying,
      vital