Imperishable

Im*per"ish*a*ble (?), a. [Pref. im- not + perishable: cf. F. impérissable.] 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.