ANTEDILUVIAL
antediluvian, antediluvial
(adjective) of or relating to the period before the biblical flood; “antediluvian man”
Source: WordNet® 3.1
Etymology
Adjective
antediluvial (comparative more antediluvial, superlative most antediluvial)
(biblical) Of or pertaining to a time before Noah's flood.
Synonym: antediluvian
(rare) Antiquated.
Synonyms: antediluvian, defunct, outdated, Thesaurus:obsolete
Source: Wiktionary
An`te*di*lu"vi*al, a. Etym: [Pref. ante- + diluvial.]
Definition: Before the flood, or Deluge, in Noah's time.
Source: Webster’s Unabridged Dictionary 1913 Edition