antediluvian

[ an-tee-di-loo-vee-uh n ]
/ ˌæn ti dɪˈlu vi ən /

adjective

of or belonging to the period before the Flood. Gen. 7, 8.
very old, old-fashioned, or out of date; antiquated; primitive: antediluvian ideas.

noun

a person who lived before the Flood.
a very old or old-fashioned person or thing.

Origin of antediluvian

1640–50; ante- + Latin dīluvi(um) a flood, deluge + -an

Example sentences from the Web for antediluvian

British Dictionary definitions for antediluvian

antediluvian
/ (ˌæntɪdɪˈluːvɪən, -daɪ-) /

adjective

belonging to the ages before the biblical Flood (Genesis 7, 8)
old-fashioned or antiquated

noun

an antediluvian person or thing

Word Origin for antediluvian

C17: from ante- + Latin dīluvium flood