from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Extremely old and antiquated. See Synonyms at old.
- adj. Bible Occurring or belonging to the era before the Flood.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. ancient or antiquated; old; prehistoric.
- adj. Supremely dated.
- adj. Pertaining or belonging to the time period prior to a great or destructive flood or deluge
- adj. Pertaining or belonging to the time prior to Noah's Flood.
- n. One who lived prior to Noah's Flood.
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or relating to the period before the Deluge in Noah's time; hence, antiquated.
from The Century Dictionary and Cyclopedia
- Existing before the flood (the Noachian deluge) recorded in Genesis; relating to the times or events before the Noachian deluge: as, the antediluvian patriarchs: by extension, applied to the time preceding any great flood or inundation, as that which is said to have occurred in China in the time of Yao, 2298 b. c.
- Belonging to very ancient times; antiquated; primitive; rude; simple: as, antediluvian ideas.
- n. One who lived before the deluge.
- n. Hence, humorously
- n. One who is very old or very antiquated in manners or notions; an old fogy.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a very old person
- adj. so extremely old as seeming to belong to an earlier period
- n. any of the early patriarchs who lived prior to the Noachian deluge
- adj. of or relating to the period before the biblical flood
From ante- + Latin dīluvium, flood; see diluvial.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin ante- (“before”) + diluvium ("flood"), in reference to the story of Noah’s Ark (Genesis 6–9), an early episode in the Bible. (Wiktionary)