Antonyms of adj decipherable

1 sense of decipherable

Sense 1
clear, decipherable, readable -- (easily deciphered)

INDIRECT (VIA legible) -> illegible -- ((of handwriting, print, etc.) not legible; "illegible handwriting")

Similarity of adj decipherable

1 sense of decipherable

Sense 1
clear, decipherable, readable -- (easily deciphered)
       => legible (vs. illegible) -- ((of handwriting, print, etc.) capable of being read or deciphered; "legible handwriting")