形容词
1. (字迹、话语等)难懂的,难辨认的,模糊的
If writing or speech is indecipherable, you cannot understand what the words are.
1. impossible to determine the meaning of
e.g. an indecipherable message
2. not easily deciphered
e.g. indecipherable handwriting
Synonym: unclearundecipherableunreadable