Definition of adjure

< adjuration

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ad·jure    (-jr) KEY 

TRANSITIVE VERB:
ad·jured, ad·jur·ing, ad·jures

1. To command or enjoin solemnly, as under oath: "adjuring her in the name of God to declare the truth" (Increase Mather).
2. To appeal to or entreat earnestly.

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ETYMOLOGY:
Middle English adjuren, from Latin adirre, to swear to : ad-, ad- + irre, to swear; see yewes- in Indo-European roots

OTHER FORMS:
ad·jurer or ad·juror(Noun)