imperishable

from WordNet (r) 3.0 (2006)

imperishable
    adj 1: not perishable [ant: {perishable}]
    2: unceasing; "an abiding belief"; "imperishable truths" [syn:
       {abiding}, {enduring}, {imperishable}]

from The Collaborative International Dictionary of English v.0.48

Imperishable \Im*per"ish*a*ble\, a. [Pref. im- not + perishable:
   cf. F. imp['e]rissable.]
   Not perishable; not subject to decay; indestructible;
   enduring permanently; as, an imperishable monument;
   imperishable renown. -- {Im*per"ish*a*ble*ness}, n. --
   {Im*per"ish*a*bly}, adv.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

27 Moby Thesaurus words for "imperishable":
      amaranthine, deathless, embalmed, ever-fresh, everlasting,
      fadeless, frozen, immortal, impregnable, incorruptible, indelible,
      indestructible, ineffaceable, ineradicable, inexpugnable,
      inextinguishable, invincible, invulnerable, irrefragable,
      never-dying, nonperishable, quenchless, undampable, undestroyable,
      undying, unfading, unquenchable

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