1. (a.) Of or relating to the period before the Deluge in Noah's time; hence, antiquated; as, an antediluvian vehicle\.

2. (n.) One who lived before the Deluge.

Bronze Age man Gothic Hominidae Iron Age man Methuselah Stone Age man Victorian aboriginal aborigine age-old aged ancient ante-bellum antemundane anthropoid antiquated antique ape-man archaic autochthon back number before the Fall before the Flood before the war bushman cave dweller caveman classical conservative dad dodo elder fogy fossil fossil man fossilized fud fuddy-duddy granny grown old has-been hoary hominid humanoid longhair man of old matriarch medieval mid-Victorian missing link mossback of other times old old believer old crock old dodo old fogy old liner old man old poop old woman old-timer old-world patriarch petrified pop pops pre-Aryan pre-Christian pre-Renaissance pre-Roman preadamite preclassical precultural prehistoric prehistoric man prehuman prelapsarian premillenarian premundane prerevolutionary preromantic prewar primate primitive protohistoric protohuman reactionary regular old fogy relic square starets stick-in-the-mud superannuated timeworn traditionalist troglodyte venerable