/ ˈpɜːdʒə(r); NAmE ˈpɜːrdʒ-/ verb
[ vn ] perjure yourself ( law ) to tell a lie in court after you have sworn to tell the truth
► per·jurer / ˈpɜːdʒərə(r); NAmE ˈpɜːrdʒ-/ noun
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WORD ORIGIN
late Middle English (as perjured in the sense guilty of perjury ): from Old French parjurer , from Latin perjurare swear falsely, from per- to ill effect + jurare swear.