in ‧ trac ‧ ta ‧ ble /ɪnˈtræktəb ə l/ BrE AmE adjective formal
1 . an intractable problem is very difficult to deal with or solve:
the seemingly intractable problem of human greed
2 . having a strong will and difficult to control
—intractability /ɪnˌtræktəˈbɪləti, ɪnˌtræktɪˈbɪləti/ noun [uncountable]