abjurePronunciation: /əbˈdʒʊə, əbˈdʒɔː/Definition of abjure verb [with object] formal solemnly renounce (a belief, cause, or claim):MPs were urged to abjure their Jacobite allegiancePhrases abjure the realm historical swear an oath to leave a country forever: prior to transportation, offenders were sometimes permitted to abjure the realmDerivatives abjuration noun Origin: late Middle English: from Latin abjurare, from ab- 'away' + jurare 'swear'abjure in other Oxford dictionaries Definition of abjure in the US English dictionary