[noun] any of the early patriarchs who lived prior to the Deluge Synonyms:patriarch
[noun] a very old (or old fashioned) person
[adjective] of or relating to the period before the Biblical flood; "Antediluvian man" Synonyms:antediluvial
[adjective] so extremely old as seeming to belong to an earlier period; "a ramshackle antediluvian tenement"; "antediluvian ideas"; "archaic laws" Synonyms:antiquated, archaic
