decrypt /ˈdiːkɹɪpt/noun 1/dɪˈkɹɪpt/ verb 1forms 3 noun1 •A decoded communication.The decrypts were being obtained from the traffic of 78 German stations by the end of 1941, and of 147 stations by the end of 1942. — 1979 decrypt /dɪˈkɹɪpt/ verb1 •To convert (an encrypted or coded message) back into plain text. formsdecrypted · decrypting · decrypts