to make out the meaning of (something obscure or difficult to read or understand): I couldn't decipher his handwriting. to interpret by the use of a key, as something written in cipher: to decipher a … Definition of decipher verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. DECIPHERING definition: to determine the meaning of (something obscure or illegible ) | Meaning, pronunciation, translations and examples in American English to make out the meaning of (poor or partially obliterated writing, etc.): to decipher a hastily scribbled note. to discover the meaning of (anything obscure or difficult to trace or understand): to decipher … Present participle of decipher. This made the problem of deciphering Persian inscriptions a relatively easy one. But even when I figure out all the substitutions, deciphering the entire notebook … Apr 14, 2026 · The meaning of DECIPHER is decode. How to use decipher in a sentence. to discover the meaning of something written badly or in a difficult or hidden way: 2. decipher meaning, definition, what is decipher: to find the meaning of something that is...: Learn more.