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Meaning of antediluvian

an•te•di•lu•vi•an

Pronunciation: (an"tē-di-l'vē-un), [key]
— adj.
  1. of or belonging to the period before the Flood. Gen. 7, 8.
  2. very old, old-fashioned, or out of date; antiquated; primitive: antediluvian ideas.
—n.
  1. a person who lived before the Flood.
  2. a very old or old-fashioned person or thing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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