antediluvian (adj) - belonging to the age before the Biblical Flood; old-fashioned or antiquated [an-tee-di-loo-vee-uhn]
BREAKDOWN: ANTE- (before) + DE- (away) + LU- (to wash) + -IAN (pertaining to)
deluge (noun) - a severe flood or overwhelming amount or number; the Biblical Flood
deluge as a verb means to inundate or overwhelm
See also: ablution
"Politics' the polite word for antediluvian prejudices, the rags put on by enmity and tribal resentment." —Joseph O'Connor

[Fun Word Friday introduces more advanced or technical words that are based on word roots. Yes, these words may still be tested on standardized exams. Try to use this word in a sentence today!]