The Collaborative International Dictionary
Antediluvial
Antediluvial \An`te*di*lu"vi*al\ ([a^]n`t[-e]*d[i^]*l[=u]"v[i^]*al), a. [Pref. ante- + diluvial.] Before the flood, or Deluge, in Noah's time.
Wiktionary
antediluvial
a. 1 Of or pertaining to a time before http://en.wikipedia.org/wiki/Noah's%20flood (or similar deluge myth) 2 antiquated
WordNet
antediluvial
adj. of or relating to the period before the Biblical flood; "Antediluvian man" [syn: antediluvian]
Usage examples of "antediluvial".
But, Willy, the supports of life are not to be found in primeval rocks or antediluvial remains.