voidance Syllabification: (void·ance)Pronunciation: /ˈvoidns/Definition of voidance noun the action of voiding something or the state of being voided:the voidance of exhaust gases chiefly Law an annulment of a contract. Christian Church a vacancy in a benefice. Origin: late Middle English: from Old French, from the verb voider (see void)voidance in other Oxford dictionaries Definition of voidance in the British & World English dictionary