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Definitions from the Web

Antediluviant

Part of Speech: Adjective

Sense 1:

Definition: Extremely old-fashioned or outdated.

Example sentence:

The antediluviant computer system was unable to run the latest software.

Sense 2:

Definition: Relating to or belonging to the time before the biblical flood.

Example sentence:

Scientists are still fascinated by the antediluviant creatures that once roamed the earth.

Sense 3:

Definition: Pertaining to a very old or ancient period.

Example sentence:

Archaeologists discovered an antediluviant civilization buried beneath the desert sands.