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1. [n] a very old (or old fashioned) person

2. [n] any of the early patriarchs who lived prior to the Deluge

3. [s] so extremely old as seeming to belong to an earlier period; "a ramshackle antediluvian tenement"; "antediluvian ideas"; "archaic laws"

4. [a] of or relating to the period before the Biblical flood; "Antediluvian man"

similar words

1. [a] old

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