deathless

adj

1. Undying or immortal.

   “Athena For mighty is the potency of the revered Erinyes both with the deathless high gods and with the powers of the world below; […]”

   “Like the deathless vampire who must repeat its stalk-and-kill cycle in order to satisfy a recurring blood hunger, the earliest film horrors cannibalized its literary ancestry again and again.”

   ““Hey, how do I kill this guy anyway?” “Finn, you can't kill my Dad!” “Oh, I-I'm sorry. I didn't mean --” “No, you literally can't kill my Dad. He's deathless.” “Oh.””

2. (usually)Guaranteed not to be lost or forgotten due to its importance or conspicuous excellence.

   “Her novels are filled with unforgettable characters and deathless prose.”

   “"We cannot do less than call it Ixodes Maloni. The very small inconvenience of being bitten, my young friend, cannot, I am sure, weigh with you as against the glorious privilege of having your name inscribed in the deathless roll of zoology."”

   “Finally, one voice in England proclaimed him a deathless dramatist and portrayer of character (Morgann) (<422).”