ANTEDILU'VIAL, ANTEDILU'VIAN, adjective [Latin ante and diluvium, a flood. See Lave.] Before the flood, or deluge, in Noah's time; existing, happening, or relating to what happened before the deluge. ANTEDILU'VIAN, noun One who live before the deluge.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI