insurmountable
in.sur.mount.able \.in(t)-s*r-'mau.nt-*-b*l\ \-ble-\ aj : incapable of being surmounted : INSUPERABLE - in.sur.mount.ably av
in.sur.mount.able \.in(t)-s*r-'mau.nt-*-b*l\ \-ble-\ aj : incapable of being surmounted : INSUPERABLE - in.sur.mount.ably av