Entry 1 sense Webster, 1913 Mummified /mŭm'-ĭf-īdˌ/ · Mum·mi·fied · IPA /mˈʌmɪfˌaɪd/ 01 a. Converted into a mummy or a mummylike substance; having the appearance of a mummy; withered. 1. Converted into a mummy or a mummylike substance; having the appearance of a mummy; withered.