UNRESOLVABLE
a.s as z. That cannot be solved or resolved.
unresolvable
un re solv a ble |ˌənriˈzälvəbəl, -ˈzôlvəbəl ˌənrɪˈzɑlvəbəl | ▶adjective not able to be resolved.
un |re ¦solv ¦able |ʌnrɪˈzɒlvəb (ə )l | ▶adjective not able to be resolved.