immortal: P. and V. ἀθάνατος, Ar. and V. ἄφθιτος.
indestructible: B. ἀδιάφθορος (Plato), ἀνώλεθρος (Plato), Ar. and V. ἄφθιτος.
ageless: P. and V. ἀγήρως.
eternal: P. αἰώνιος, ἀΐδιος.
ever-remembered: P. and V. ἀείμνηστος.