• synonyms


  1. not mortal; not liable or subject to death; undying: our immortal souls.
  2. remembered or celebrated through all time: the immortal words of Lincoln.
  3. not liable to perish or decay; imperishable; everlasting.
  4. perpetual; lasting; constant: an immortal enemy.
  5. of or relating to immortal beings or immortality.
  6. (of a laboratory-cultured cell line) capable of dividing indefinitely.
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  1. an immortal being.
  2. a person of enduring fame: Bach, Milton, El Greco, and other immortals.
  3. the Immortals, the 40 members of the French Academy.
  4. (often initial capital letter) any of the gods of classical mythology.
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Origin of immortal

1325–75; Middle English (adj.) < Latin immortālis. See im-2, mortal
Related formsim·mor·tal·ly, adverbqua·si-im·mor·tal, adjectivequa·si-im·mor·tal·ly, adverb


Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for quasi-immortal


  1. not subject to death or decay; having perpetual life
  2. having everlasting fame; remembered throughout time
  3. everlasting; perpetual; constant
  4. of or relating to immortal beings or concepts
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  1. an immortal being
  2. (often plural) a person who is remembered enduringly, esp an authorDante is one of the immortals
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Derived Formsimmortality, nounimmortally, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

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Online Etymology Dictionary, © 2010 Douglas Harper