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Antediluvian vs Immemorial - What's the difference?

antediluvian | immemorial |

As adjectives the difference between antediluvian and immemorial

is that antediluvian is ancient or antiquated; old; prehistoric while immemorial is immemorial, age-old.

As a noun antediluvian

is one who lived prior to noah's flood.

antediluvian

English

(wikipedia antediluvian)

Adjective

(en adjective)
  • Ancient or antiquated; old; prehistoric.
  • Supremely dated.
    • Those ideas are antediluvian.
  • Pertaining or belonging to the time period prior to a great or destructive flood or deluge.
  • (biblical) Pertaining or belonging to the time prior to Noah's Flood.

    • Quotations

    * (English Citations of "antediluvian")

    Synonyms

    * antediluvial

    Coordinate terms

    *

    Noun

    (en noun)
  • One who lived prior to Noah's Flood.

    • Related terms

    * deluge * diluvial

    immemorial

    English

    Adjective

    (head)
  • That is beyond memory; ancient.
    • The rocks had stood overlooking the valley since time '''immemorial .
  • * 1895 , H. G. Wells, The Time Machine Chapter X
    • Now, I still think that for this box of matches to have escaped the wear of time for immemorial years was a strange, and for me, a most fortunate thing.

    Derived terms

    * time immemorial