insurmountability

enUK

in·sur·mount·a·ble

I0174900 (ĭn′sər-moun′tə-bəl)adj. Impossible to surmount; insuperable: insurmountable difficulties.
in′sur·mount′a·bil′i·ty, in′sur·mount′a·ble·ness n.in′sur·mount′a·bly adv.