immortalist

English

Etymology

From immortal +‎ -ist.

Noun

immortalist (plural immortalists)

1. One who holds the doctrine of the immortality of the soul.
   • September 28 1657, Jeremy Taylor, A sermon preached at the funeral of Sir George Dalston

     the inhabitants by Ister who were called ἀθανατίζοντες, "Immortalists;" because, in the midst of all their dark notices of things, they saw […] "that virtuous and good men do not die […] "

2. One who seeks to extend human life indefinitely.
   • 2000, R. Michael Perry, Forever for All, page 48:

     Advocates of nonbiostatic immortalist philosophies include the precryonics immortalist Federov and more recent thinkers such as Alan Harrington, Hans Moravec, and Frank Tipler.

Adjective

immortalist (not comparable)

1. Pertaining to a belief in or quest for immortality.
   • 2000, R. Michael Perry, Forever for All, page 48:

     Advocates of nonbiostatic immortalist philosophies include the precryonics immortalist Federov and more recent thinkers such as Alan Harrington, Hans Moravec, and Frank Tipler.