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antediluvian

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adjective an·te·di·lu·vi·an \ˌan-ti-də-ˈlü-vē-ən, -(ˌ)dī-\

Simple Definition of antediluvian

  • : very old or old-fashioned

Full Definition of antediluvian

  1. 1 :  of or relating to the period before the flood described in the Bible

  2. 2 a :  made, evolved, or developed a long time ago <an antediluvian automobile> b :  extremely primitive or outmoded <an antediluvian prejudice>

antediluvian noun

Examples of antediluvian

  1. He has antediluvian notions about the role of women in the workplace.

  2. <found evidence in the Middle East of an antediluvian people previously unknown to history>



Origin of antediluvian

ante- + Latin diluvium flood — more at deluge


First Known Use: 1646

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