Entry 2 senses Webster, 1913 Adjuration · Ad·ju·ra·tion · IPA 01 n. The act of adjuring; a solemn charging on oath, or under the penalty of a curse; an earnest appeal. 1. The act of adjuring; a solemn charging on oath, or under the penalty of a curse; an earnest appeal. “What an accusation could not effect, an adjuration shall.” — Bp. Hall. 2. The form of oath or appeal. “Persons who . . . made use of prayer and adjurations.” — Addison.