Webster’s Revised Unabridged Dictionary · 1913
Imperishable
Im·per′ish·a·ble (ĭm·pĕr′ĭsh·ȧ·b'l), 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.