advocatus diaboli

noun ad·vo·ca·tus di·a·bo·li \¦ad-və-¦kā-təs-ˌdī-ˈa-bə-ˌlī, ¦ad-və-¦kä-təs-dē-ˈä-bə-(ˌ)lē\

Definition of advocatus diaboli

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Origin and Etymology of advocatus diaboli

Medieval Latin

First Known Use: 1824

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feeling or affected by lethargy

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