Also found in: Thesaurus.
Related to postdiluvian: deluged
post·di·lu·vi·an(pōst′dĭ-lo͞o′vē-ən) also post·di·lu·vi·al (-əl)Bible
Existing or occurring after the Flood.
A person or thing living after the Flood.
existing or occurring after the biblical Flood
a person or thing existing after the biblical Flood
[C17: from post- + diluvian, from Latin diluvium deluge, flood]
post•di•lu•vi•an(ˌpoʊst dɪˈlu vi ən)
1. existing or occurring after the Biblical Flood.n.
2. a person who lived after the Biblical Flood.