Entry 1 sense Webster, 1913 Indestructibility /ĭnˌ-dəs-trŭkˌ-tĭb-ĭl'-ĭt-ē/ · In·de·struc·ti·bil·i·ty · IPA /ˌɪndəstrˌʌktɪbˈɪlɪtiː/ 01 n. The quality of being indestructible. 1. The quality of being indestructible.