| noun | any of the early patriarchs who lived prior to the Noachian deluge |
| noun | a very old person |
| adjective | of or relating to the period before the biblical flood “antediluvian man” |
| adjective | so extremely old as seeming to belong to an earlier period “a ramshackle antediluvian tenement” |
| antediluvial | adjective | of or relating to the period before the biblical flood |
| ancient | adjective | very old |
| antediluvian | noun | any of the early patriarchs who lived prior to the Noachian deluge |