antediluvian Hear it!

antediluvian definition

ante·di·lu·vian (an′tē də lo̵̅o̅′vē ən, -ti-)

adjective

  1. of the time before the Biblical Flood
  2. very old, old-fashioned, or primitive

Etymology: < ante- + L diluvium, a flood (see diluvium) + -an

noun

an antediluvian person or thing

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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