immortality
n. uncountablen. the ability to live forever and never die. It can also mean being remembered forever because of something great you did.
n. the state of being exempt from death or destruction; endless life or existence. Often refers to literal eternal life in mythology or figurative lasting fame in a secular context.
Ancient myths often tell stories of heroes searching for immortality.
The scientist dedicated his entire career to studying cellular aging in hopes of achieving biological immortality.
While biological immortality remains a staple of science fiction, many artists achieve a symbolic version of it through works that continue to influence culture centuries after their passing.
From Middle English immortalitee, immortalite, from Old French immortalité, from Latin immortālitās. Morphologically immortal + -ity.
Uncountable in its abstract sense; occasionally used with an article when referring to a specific type ('a digital immortality').