INDECIPHERABLE
Meaning of INDECIPHERABLE in English
in ‧ de ‧ ci ‧ pher ‧ a ‧ ble /ˌɪndɪˈsaɪf ə rəb ə l◂/ BrE AmE adjective
impossible to read or understand SYN illegible :
an indecipherable signature
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012