Antediluvian

[Sarah]

Of or relating to the period before the Deluge in Noah's time;hence, antiquated; as, an antediluvian vehicle.-- n.

[Sarah]

Pertaining to the period of time before the catastrophic eruption of Thea, about 1600-1500 BCE, the resultant tsunamis of which are believed to have caused the downfall of the Minoan civilization. This event is thought by many to be the basis of Plato's story of Atlantis. The word literally means before

[Sarah]

Before the flood
The period in the bible before the great flood or a fancy insult for the elderly.

[Sarah]

before Noah's ark; the period before the flood; really really [old]

[Sarah]

Old fashioned. So beyond last season