Answer: ageless

AnswerCrossword Clue
AGELESSUndying
AGELESSEver-young.
AGELESSUntouched by time.
AGELESSEternal.
AGELESSSeeming never to grow old.
AGELESSImmortal.
AGELESSWithout end
AGELESSNever outdated
AGELESSEver-abiding
AGELESSImmortal
AGELESSLike Dorian Gray
AGELESSUntouched by time
AGELESSUnwithered by time.
AGELESSOpposite of ephemeral
AGELESSEternal Monophonics jam?
AGELESSLasting an eternity
AGELESSNever becoming old
AGELESSLike Satchel Paige
AGELESSLike "Peanuts" characters
AGELESSEver-fresh
AGELESSImmutable
agelessnever growing old
agelessNever growing or appearing to grow old
AGELESSPerpetual
AGELESSUnchanged forever
AGELESSEternal
AGELESSUnaffected by time
AGELESSStanding the test of time
AGELESSForever young, seemingly
AGELESSLooking extraordinarily young
AGELESSNever any older
AGELESSEternally young
AGELESSImmemorial
AGELESSDick Clark, seemingly
AGELESSForever young
AGELESSSatchel Paige descriptor
AGELESSEverlasting
AGELESSNever changing
AGELESSLasting forever
AGELESSLike Shangri-La