Dictionary and Thesaurus

Definition of Antediluvian

• (a.) Of or relating to the period before the Deluge in Noah's time; hence, antiquated; as, an antediluvian vehicle.
• (n.) One who lived before the Deluge.

Synonyms of Antediluvian

• Antediluvian Patriarch
• Ancient
• Antediluvial
• Antiquated
• Archaic

Antonyms of Antediluvian

Homophones of Antediluvian