Simple Definition of indecipherable
: impossible to read or understand : not decipherable
Full Definition of indecipherable
: incapable of being deciphered
Examples of indecipherable in a sentence
His handwriting is almost indecipherable.
<after so many years the paper label in the drawer of the antique desk is indecipherable>
First Known Use of indecipherable
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Thesaurus: All synonyms and antonyms for "indecipherable" Spanish Central: Translation of "indecipherable" Nglish: Translation of "indecipherable" for Spanish speakers
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