insurmountable

in·sur·mount·a·ble
UK: /ɪnsəmˈa‍ʊntəbə‍l/   US: /ˌɪnsɝˈmaʊntəbəɫ/
lýsingarorð
  • óyfirstiganlegur, óvinnandi (an insurmountable difficulty)

Samheiti: insuperable, unsurmountable