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very old, old-fashioned, or out of date; antiquated; primitive: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.
Contemporary Examples

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? Robert Shrum July 16, 2012

“Through Cain came all the smart, educated people down to the antediluvian flood—the intellectuals, bible colleges,” Branham wrote.
Inside Sarah’s Church Max Blumenthal September 4, 2009

Historical Examples

Shall we accept the antediluvian, or the diluvian stratification?
Omphalos Philip Henry Gosse

You do not see the antediluvian kingdom, that of Sesostris and that of Semiramis?
The Memoires of Casanova, Complete Jacques Casanova de Seingalt

When the antediluvian rhino lived, the world was peopled with terrible monsters, brutes of great strength and savagery.
Harper’s Round Table, July 23, 1895 Various

The three Miss Murgatroyds—oh, Jane, they are so antediluvian and quaint!
The Mistress of Shenstone Florence L. Barclay

I never thought this fighting an antediluvian monster would be such a complicated job.
The Lair of the White Worm Bram Stoker

I always knew he was extinct, but I had no idea he was antediluvian as well.
Dick, Marjorie and Fidge G. E. Farrow

The antediluvian Miot asked him what were his democratic antecedents.
History of the Commune of 1871 P. Lissagary

It might as well have stood for antediluvian Bottlewashing Company.
Dick, Marjorie and Fidge G. E. Farrow

belonging to the ages before the biblical Flood (Genesis 7, 8)
old-fashioned or antiquated
an antediluvian person or thing

“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.

Read Also:

  • Antediluvian patriarch

    See under (def 1).

  • Patriarch

    the male head of a family or tribal line. a person regarded as the father or founder of an order, class, etc. any of the very early Biblical personages regarded as the fathers of the human race, comprising those from Adam to Noah (antediluvian patriarchs) and those between the Deluge and the birth of Abraham. […]

  • Antefix

    an upright ornament at the eaves of a tiled roof, to conceal the foot of a row of convex tiles that cover the joints of the flat tiles. an ornament above the top molding of a cornice. Historical Examples The antefix has the breadth of a hole and one eighth, and the thickness of one […]

  • Anteflexion

    a bending forward of an organ, especially of the body of the uterus. Historical Examples If anteflexion be present, the anterior lip of the cervix should be seized with the volsella and fixed by slight traction. A System of Operative Surgery, Volume IV (of 4) Various anteflexion an·te·flex·ion (ān’tē-flěk’shən) n. A sharp forward curve or […]

  • Antehall

    a room or serving as a waiting room and entrance to a larger . Historical Examples No word came from the palace, no Secret Service officers came to report to her, no courtiers thronged the antehall. A German Pompadour Marie Hay Passing through the antehall, he gained admission to Eberhard Ludwig’s apartment. A German Pompadour […]

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