per·jure /ˈpɜːdʒə $ ˈpɜːrdʒer/ verb perjure yourself SCT law to tell a lie after promising to tell the truth in a court of law 〔在法庭上〕作伪证perjure yourself• And Mr Mitchum wouldn't perjure himself.• It was true that I would never perjure myself. —perjurer noun [countableC]