INSUPERABILITY Meaning of INSUPERABILITY in English insuperability BrE AmE ɪn ˌsuːp ə r‿ə ˈbɪl ət i -ˌsjuːp-, ˌ•ˌ•-, -ɪt i AmE \ -ət̬ i Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012