antediluvian
[ an-tee-di-loo-vee-uhn ]
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Part of Speechnoun, adjective
Origin + Etymology
from ante- + Latin diluvium ‘deluge’ + -an
Synonyms
adjective
  • old
  • primitive
  • archaic
  • prehistoric
  • primeval
  • primordial
  • out of date
  • outdated
  • outmoded
  • ancient
Antonyms
noun
  • young
adjective
  • current
  • modern
  • up-to-date
  • fresh
  • new
Definition
noun
a person who lived before the Flood; a very old or old-fashioned person or thing
adjective
very old, old-fashioned, or out of date; antiquated; primitive
Examples
noun
They called her antediluvian because of her old-fashioned ways.
adjective
That home was more than old-fashioned, it was completely antediluvian.
Usage Over Time
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