To convert from a code or cipher to plaintext; decode.
To translate (a message in cipher or code) into ordinary, understandable language; decode.
Decipher Sentence Examples
She couldn't decipher what he had to be feeling.
In the meantime, he'd learn to use the compass better and decipher the symbols.
She was able to decipher some of it after all the tests she'd been through.
Kiera looked at her, attempting to decipher her warning.
Neither of these texts is, however, very good, and the student who can decipher old Dutch would do well to read it in the metrical translation published by Joenckbloet, Roman van Lanceloet, as the original here was considerably fuller.