antediluvian
[ an-tee-di-loo-vee-uh n ]
/ ˌæn ti dɪˈlu vi ən /
adjective
of or belonging to the period before the Flood. Gen. 7, 8.
very old, old-fashioned, or out of date; antiquated; primitive: antediluvian ideas.
noun
a person who lived before the Flood.
a very old or old-fashioned person or thing.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for antediluvian
British Dictionary definitions for antediluvian
antediluvian
/ (ˌæntɪdɪˈluːvɪən, -daɪ-) /
adjective
belonging to the ages before the biblical Flood (Genesis 7, 8)
old-fashioned or antiquated
noun
an antediluvian person or thing
Word Origin for antediluvian
C17: from ante- + Latin dīluvium flood
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for antediluvian
antediluvian
"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