- not mortal; not liable or subject to death; undying: our immortal souls.
- remembered or celebrated through all time: the immortal words of Lincoln.
- not liable to perish or decay; imperishable; everlasting.
- perpetual; lasting; constant: an immortal enemy.
- of or relating to immortal beings or immortality.
- (of a laboratory-cultured cell line) capable of dividing indefinitely.
- an immortal being.
- a person of enduring fame: Bach, Milton, El Greco, and other immortals.
- the Immortals, the 40 members of the French Academy.
- (often initial capital letter) any of the gods of classical mythology.
Origin of immortal
- not subject to death or decay; having perpetual life
- having everlasting fame; remembered throughout time
- everlasting; perpetual; constant
- of or relating to immortal beings or concepts
- an immortal being
- (often plural) a person who is remembered enduringly, esp an authorDante is one of the immortals
Word Origin and History for quasi-immortal
"deathless," late 14c., from Latin immortalis "deathless, undying," from assimilated form of in- "not, opposite of" (see in- (1)) + mortalis "mortal" (see mortal (adj.)). In reference to fame, literature, etc., attested from 1510s (a sense also found in classical Latin). As a noun, from mid-17c.