decipher /dɪˈsaɪfə(ɹ)/verb 4noun 1forms 3 verb4 •To convert a code or cipher to plain text. •To read text that is almost illegible or obscure. •To make sense of a complex situation. •To find a solution to a problem. noun1 •A decipherment; a decoding. formsdeciphered · deciphering · deciphers