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antediluvian

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antediluvian

Main Entry:: an·te·di·lu·vi·an
Pronunciation:: \ˌan-ti-də-ˈlü-vē-ən, -(ˌ)dī-\
Function:: adjective
Etymology:: ante- + Latin diluvium flood — more at deluge
Date:: 1646

1: of or relating to the period before the flood described in the Bible2 a: made, evolved, or developed a long time ago <an antediluvian automobile> b: extremely primitive or outmoded <an antediluvian prejudice>

— antediluvian noun

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