- of or belonging to the period before the Flood. Gen. 7, 8.
- very old, old-fashioned, or out of date; antiquated; primitive: antediluvian ideas.
- a person who lived before the Flood.
- a very old or old-fashioned person or thing.
Origin of antediluvian
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for antediluvian
Put aside an invincibly ignorant Rick Perry or the antediluvian Ron Paul, who would abolish the Fed altogether.Can Ben Bernanke, Like John Roberts, Ignore Political Pressure and Do His Job?
July 17, 2012
“Through Cain came all the smart, educated people down to the antediluvian ﬂood—the intellectuals, bible colleges,” Branham wrote.Inside Sarah's Church
September 5, 2009
You do not see the antediluvian kingdom, that of Sesostris and that of Semiramis?The Memoires of Casanova, Complete
Jacques Casanova de Seingalt
The one school is of an Antediluvian, the other of a Christian race.
The three Miss Murgatroyds—oh, Jane, they are so antediluvian and quaint!The Mistress of Shenstone
Florence L. Barclay
These were the keys which unlocked the treasures of the antediluvian world for me.Story of My Life
Observe the “antediluvian” shape of the bat—no paddings on the legs.Pickwickian Manners and Customs
- belonging to the ages before the biblical Flood (Genesis 7, 8)
- old-fashioned or antiquated
- an antediluvian person or thing
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
Word Origin and History for antediluvian
Online Etymology Dictionary, © 2010 Douglas Harper