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antediluvian

[an-tee-di-loo-vee-uh n] /ˌæn ti dɪˈlu vi ən/
adjective
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very old, old-fashioned, or out of date; antiquated; primitive: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.
noun
3.
a person who lived before the Flood.
4.
a very old or old-fashioned person or thing.
Origin
1640-1650
1640-50; ante- + Latin dīluvi(um) a flood, deluge + -an
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for antediluvian
  • The antediluvian bug eyed monsters opposing this will retire soon enough.
  • It then scrapped its antediluvian operating system and developed an entirely new one that has won plaudits from reviewers.
  • Not that he clings to a shirt and tie as some antediluvian affect.
  • Their sick-leave levels are ludicrous, their overtime arrangements antediluvian.
  • More than valuables, they hoped to find photographs or other mementos of their antediluvian lives.
  • Today, that sentiment is scoffed at as an antediluvian relic of a simpler time.
  • Now there was something antediluvian about the effort.
  • Sadness at the rejection of the solid form is not limited to antediluvian language mavens.
  • It is amazing, really, that something so antediluvian and unlike us is still here.
British Dictionary definitions for antediluvian

antediluvian

/ˌæntɪdɪˈluːvɪən; -daɪ-/
adjective
1.
belonging to the ages before the biblical Flood (Genesis 7, 8)
2.
old-fashioned or antiquated
noun
3.
an antediluvian person or thing
Word Origin
C17: from ante- + Latin dīluvium flood
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
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Word Origin and History for antediluvian
adj.

"before Noah's flood," 1640s, formed from Latin ante- "before" (see ante) + diluvium "a flood" (see deluge (n.)). Coined by English physician Sir Thomas Browne (1605-1682). As a noun meaning "person who lived before the Flood," from 1680s.

Online Etymology Dictionary, © 2010 Douglas Harper
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