From Longman Dictionary of Contemporary Englishperjureper‧jure /ˈpɜːdʒə $ ˈpɜːrdʒer/ verb → perjure yourself —perjured adjective perjured evidence —perjurer noun [countable]→ See Verb table
Examples from the Corpus
perjure• And Mr Mitchum wouldn't perjure himself.• It was true that I would never perjure myself.Origin perjure (1400-1500) Old French parjurer, from Latin perjurare, from jurare “to swear” 