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antediluvial

UK/ˌantɪdɪˈluːvɪəl/

adjective

Of or pertaining to a time before Noah's flood.

Similar

antediluvian prediluvian defunct outdated anachronistic antiquated antique prehistoric

Scrabble 16

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Meanings

adjectiveantediluvial (comparative more antediluvial, superlative most antediluvial)

comparative more antediluvial · superlative most antediluvial

biblicalOf or pertaining to a time before Noah's flood.
Synonyms: antediluvian, prediluvian
rareAntiquated.
Synonyms: antediluvian, defunct, outdated, anachronistic, antediluvian, antiquated, antique, prehistoric

Synonyms & antonyms

adjectiveOf or pertaining to a time before Noah's flood.

Similar

antediluvian prediluvian

adjectiveAntiquated.

Similar

antediluvian defunct outdated anachronistic antediluvian antiquated antique prehistoric archaic backward backwards behind the times cobwebbed cobwebby dated defunct desuete discontinued disused

More synonyms by meaning

adjectiveof or relating to the period before the biblical flood

Similar

Also see

antediluvian backward defunct deprecated elderly extinct fusty havishamesque hoary idle mouldy obsolete old-fashioned old school ossified outmoded passé primitive superannuated

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Early 18th c., ante- + diluvial, possibly as alteration of earlier antediluvian.

Full word history & related roots →

Cite this entry

APA

antediluvial. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/antediluvial

MLA

“antediluvial.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/antediluvial. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “antediluvial,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/antediluvial.

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