INDECIPHERABLE
Meaning of INDECIPHERABLE in English
transcription, транскрипция: [ ˌin-di-ˈsī-f(ə-)rə-bəl ]
adjective
Date: 1802
: incapable of being deciphered
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003