- to decode or decipher.
Origin of decrypt
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to decode (a message) with or without previous knowledge of its key
- to make intelligible (a television or other signal) that has been deliberately distorted for transmission
C20: from de- + crypt, as in cryptic
Word Origin and History for decryption
Online Etymology Dictionary, © 2010 Douglas Harper