antediluvian

an·te·di·luv·i·an
A1N1T1E1D2I1L1U1V4I1A1N1
UK/ˌæn.tɪ.dɪˈluː.vɪ.ən/US/ˌæn.ti.dəˈlu.vi.ən/US/-tə-/US/ˌæn.tə(ˌ)daɪˈlu.vi.ən/

adjective

Belonging or pertaining to, or existing in, the time prior to the great flood described in Genesis, or (by extension) to a great or destructive flood or deluge described in other mythologies.

“Those ideas are antediluvian.”

UncommonScrabble 16

Meanings

adjectiveantediluvian (comparative more antediluvian, superlative most antediluvian)

comparative more antediluvian · superlative most antediluvian · alternative antedeluvian

  1. biblicalBelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis, or (by extension) to a great or destructive flood or deluge described in other mythologies.

    [P]erhaps ſome perſons might outlive Methuſelah; the Text intending onely the maſculine line of Seth, conduceable unto the Genealogy of our Saviour, and the antediluvian Chronology.

    1646, Thomas Browne, “Of Methuselah”, in Pseudodoxia Epidemica: […], London: […] T[homas] H[arper] for Edward Dod, […], →OCLC, 7th book, pages 343–344
    2 more examples

    For Noah, vvho had no doubt preach'd againſt the Vices of the Antediluvian VVorld, and againſt Drunkenneſs among the reſt, muſt certainly knovv the Uſe of the Vine, and the Abuſe of it too; hovv elſe did he come to plant it at all, and to preſs the Juice out for Drinking it at all?

    1727, [Daniel Defoe], “Of what Shapes the Devil Assum’d in His First Appearances to the Magicians, and Others, in the First Ages of the World; and whether He is, or has been,, Allow’d to Assume a Human Shape, or No”, in A System of Magick; or, A History of the Black Art. […], London: […] J. Roberts […], →OCLC, page 95

    The great Egyptian age is but a remnant of the Atlantean culture / The antediluvian kings colonized the world / All the gods who play in the mythological dramas / In all legends from all lands were from fair Atlantis

    1968 November, Donovan Leitch, “Atlantis”, in Barabajagal, performed by Donovan, New York, N.Y.: Epic Records, →OCLC

    Synonyms: antediluvial, prediluvian, preflood · Antonyms: postdiluvial, postdiluvian

  2. broadlyOf animals and plants: long extinct; prehistoric.

    Having already described him [the whale] in most of his present habitatory and anatomical peculiarities, it now remains to magnify him in an archæological, fossiliferous, and antediluvian point of view.

    1851 November 14, Herman Melville, “The Fossil Whale”, in Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley, →OCLC, page 506
  3. excessivefigurativelyhumorousOf a person or thing: very old; ancient.

    On the shore were the remains of an antediluvian forest with ugly black stumps showing, and further up an old stubby deserted lighthouse.

    1947, Malcolm Lowry, chapter 1, in Under the Volcano, New York: Reynal & Hitchcock
    4 more examples

    [H]is eldest son Bo-bo, […] let some sparks escape into a bundle of straw, which kindling quickly, spread the conflagration over every part of their poor mansion, till it was reduced to ashes. Together with the cottage (a sorry antediluvian make-shift of a building, you may think it), what was of much more importance, a fine litter of new-farrowed pigs, no less than nine in number, perished.

    1823, Elia [pseudonym; Charles Lamb], “A Dissertation upon a Roast Pig”, in Elia. Essays which have Appeared under that Signature in The London Magazine, London: […] [Thomas Davison] for Taylor and Hessey, […], →OCLC, page 277

    There was an antediluvian tradition (much older than Shakespeare) that on Midsummer's Night young people should go with lanterns, and a fiddler, and a keg or two of cider, to a patch of turf known as Donkey's Green in the heart of the woods and there celebrate the solstice with dancing.

    1969 November 10, John Fowles, chapter 12, in The French Lieutenant’s Woman, 1st US edition, Boston, Mass.; Toronto, Ont.: Little, Brown and Company […], →OCLC, page 90

    The air inside smelled antediluvian, regal somehow, with traces of pipe tobacco, tea leaves, cooking sherry, and the earthen aroma of stone architecture.

    2003, Dan Brown, chapter 54, in The Da Vinci Code, [London]: BCA, published 2005, page 226

    If we agree with [Alan] Blinder's assessment, we must acknowledge the pressing need to inject new ideas into an old system—a system so antediluvian that it is, remarkably, still based on the agrarian calendar.

    2010, Sam Chaltain, “Connect (or, Make the Connections that Let You ‘See the Whole Board’)”, in American Schools: The Art of Creating a Democratic Learning Community, Lanham, Md.: Rowman & Littlefield Education, →ISBN, page 41

    Synonyms: prehistoric, ancient, aged, age-old, auld, cobwebbed, cobwebby, decrepit · Antonyms: baby-faced, juvenile, hebetic, young, youngling, youngly, youngsome, youngthly

  4. excessivefigurativelyhumorousOf attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent; antiquated.

    Those ideas are antediluvian.

    2 more examples

    If, by any miſchance, and in an evil hour, ſome country couſin, not knovving my vvays, or ſome antediluvian prig, not minding them, happen to fall upon me vvith formal ſpeeches, vvhere I can make no eſcape, a fit of yavvning takes me immediately, and I am demoliſhed for the reſt of the day.

    1796, [Frances Burney], “A Chat”, in Camilla: Or, A Picture of Youth. […], volume III, London: […] T[homas] Payne, […]; and T[homas] Cadell Jun. and W[illiam] Davies (successors to Mr. [Thomas] Cadell) […], →OCLC, book V, pages 78–79

    Portions of the ruling reflected the court's culturally conservative roots, stating that because marriage is only for reproduction, LGBTQ relationships are unnatural because they cannot produce children. […] The ruling continued in its surprisingly antediluvian rationale, invalidating untold numbers of nontraditional families.

    2021 December 3, “LGBTQ Couples, Families and Marriage are ‘against the Natural Order,’ Thai Constitutional Court Rules”, in Coconuts Bangkok, Bangkok, Thailand: Coconuts Media, archived from the original on 19 Mar 2023

    Synonyms: antediluvial, out of the ark, anachronistic, antediluvial, antiquated, antique, prehistoric, archaic · Antonyms: new, all-new, brand new, brand spanking new, cherry, fresh, freshly made, green

nounantediluvian (plural antediluvians)

plural antediluvians

  1. biblicalA person who lived in the time prior to the great flood described in Genesis, especially one of the biblical patriarchs.

    Synonyms: prediluvian

  2. excessivefigurativelyhumorousA very old person.

    He was a boy in form, and an antediluvian in feature. Some thought […] that he was really and truly a Brownie.

    1828 October, the Ettrick Shepherd [pseudonym; James Hogg], “The Brownie of the Black Haggs”, in Blackwood’s Edinburgh Magazine, volume XXIV, number CXLIV, Edinburgh: William Blackwood, […]; London: T[homas] Cadell, […], →OCLC, page 494, column 1
    1 more example

    From what cursed old antediluvian, who lived before the invention of the spinning-jennies, she learned this craft, Heaven only knows; […]

    1823 December 23 (indicated as 1824), [Walter Scott], “Discussion”, in St Ronan’s Well. […], volume III, Edinburgh: […] [James Ballantyne and Co.] for Archibald Constable and Co.; London: Hurst, Robinson, and Co., →OCLC, pages 134–135

    Synonyms: ager, antique, badge-cove, cheeser, coffin dodger, crinkly, eld, elder · Antonyms: bairn, brat, child, chit, crumb cruncher, crumb crusher, crumb grinder, crumb snatcher

  3. excessivefigurativelyhumorousA person with extremely old-fashioned attitudes, ideas, etc., especially to a laughable extent; a fogey or old fogey.

Synonyms & antonyms

adjectiveBelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis, or (by extension) to a great or destructive flood or deluge described in other mythologies.

nounA person who lived in the time prior to the great flood described in Genesis, especially one of the biblical patriarchs.

More synonyms by meaning

adjectiveof or relating to the period before the biblical flood

adjectiveso extremely old as seeming to belong to an earlier period

nounany of the early patriarchs who lived prior to the Noachian deluge

Similar
antediluvian patriarch
Broader

nouna very old person

Similar

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*lewh₃-“to wash”
  2. Englishantediluvian

PIE word *dwís From ante- (prefix meaning ‘prior to in time’) + Latin dīluvium (“a flood”) + -an (suffix meaning ‘of or pertaining to’ forming adjectives; and forming agent nouns), referring the story of Noah’s Ark, through which God rescues Noah, his family, and examples of all the world’s animals from the great flood, which is related in Genesis 6–9 of the Bible. Dīluvium is derived from dīluō (“to wash away”) (from dis- (prefix meaning ‘apart, asunder, in two’) + lavō (“to wash”) (ultimately from Proto-Indo-European *lewh₃- (“to wash”))) + -ium (suffix forming abstract nouns). The English word is analyzable as ante- + diluvian. Adjective sense 2 (“long extinct”) is from the fact that such animals and plants were originally believed to have perished in the biblical flood referred to above.

Full word history & related roots →

Translations

Bulgarian допото́пен, допото́пен
  • допото́пен (dopotópen)belonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • допото́пен (dopotópen)of animals and plants: long extinct — see also prehistoric
  • допото́пен (dopotópen)of attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Catalan antediluvià, antediluvià
  • antediluviàbelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • antediluviàbelonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • antediluviàof animals and plants: long extinct — see also prehistoric
  • antediluviàof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Czech předpotopní, předpotopní
  • předpotopníbelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • předpotopníbelonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • předpotopníof animals and plants: long extinct — see also prehistoric
  • předpotopníof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Dutch behorend tot de tijd voor de zondvloed, antediluviaal
  • behorend tot de tijd voor de zondvloedbelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • antediluviaalbelonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • antiekof animals and plants: long extinct — see also prehistoric
  • prehistorischof animals and plants: long extinct — see also prehistoric
  • zeer ouderwetsof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Esperanto antaŭdiluva
  • antaŭdiluvabelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
Finnish vedenpaisumusta edeltävä, antediluviaani
  • vedenpaisumusta edeltäväbelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • antediluviaanibelonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • antediluviaaninenbelonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • aataminaikainenof animals and plants: long extinct — see also prehistoric
  • aataminaikainenof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
  • antediluviaaniperson who lived in the time prior to the great flood described in Genesis
  • fossiili(hyperbolic, chiefly humorous) very old person — see also geriatric
French antédiluvien, antédiluvien
  • antédiluvienbelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • antédiluvienof animals and plants: long extinct — see also prehistoric
  • antédiluvienof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
German vorsintflutlich, vorsintflutlich
  • vorsintflutlichbelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • vorsintflutlichof animals and plants: long extinct — see also prehistoric
  • altfränkischof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
  • vorsintflutlichof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Hungarian begyepesedett
  • begyepesedettof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Italian antediluviano, antidiluviano
  • antediluvianobelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • antidiluvianobelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • antediluvianoof animals and plants: long extinct — see also prehistoric
  • antidiluvianoof animals and plants: long extinct — see also prehistoric
  • antediluvianoof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
  • antidiluvianoof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Norwegian Bokmål antediluviansk, som tilhører tiden før syndfloden
  • antediluvianskbelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • som tilhører tiden før syndflodenbelonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • antediluvianskbelonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • førhistoriskof animals and plants: long extinct — see also prehistoric
  • prehistoriskof animals and plants: long extinct — see also prehistoric
  • antikvertof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
  • hønngammelof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Polish przedpotopowy, pradziejowy
  • przedpotopowybelonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • pradziejowyof animals and plants: long extinct — see also prehistoric
  • przedpotopowyof animals and plants: long extinct — see also prehistoric
  • przedpotopowyof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Portuguese antediluviano, antediluviano
  • antediluvianobelonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • antediluvianoof animals and plants: long extinct — see also prehistoric
Romanian antediluvian
  • antediluvianof attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Russian допото́пный, допото́пный
  • допото́пный (dopotópnyj)belonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • допото́пный (dopotópnyj)belonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • доистори́ческий (doistoríčeskij)of animals and plants: long extinct — see also prehistoric
  • допото́пный (dopotópnyj)of animals and plants: long extinct — see also prehistoric
  • допото́пный (dopotópnyj)of attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated
Spanish antediluviano
  • antediluvianoof animals and plants: long extinct — see also prehistoric
Ukrainian допото́пний, допото́пний
  • допото́пний (dopotópnyj)belonging or pertaining to, or existing in, the time prior to the great flood described in Genesis
  • допото́пний (dopotópnyj)belonging or pertaining to, or existing in, the time prior to a great or destructive flood or deluge described in other mythologies
  • допото́пний (dopotópnyj)of animals and plants: long extinct — see also prehistoric
  • допото́пний (dopotópnyj)of attitudes, ideas, etc.: extremely old-fashioned, especially to a laughable extent — see also antiquated

Rhymes & wordplay

Rhymes with antediluvian

All rhymes →
Cite this entry
APA

antediluvian. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/antediluvian

MLA

“antediluvian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/antediluvian. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “antediluvian,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/antediluvian.

Source: antediluvian on Wiktionary, CC BY-SA 4.0.