undecipherably

/ˌʌndɪˈsaɪfərəbli/
adverb
  1. In a way that is impossible to read or understand.
    • The doctor's note was written undecipherably, so the pharmacist couldn't read it.
    • She spoke undecipherably through her tears, and no one could make out what she was saying.
    • The ancient inscription was carved undecipherably, worn away by centuries of wind and rain.
Antonyms
What does "undecipherably" mean? | whatsthatwordmean | whatsthatwordmean