What does decrypting mean?
"Decrypting" is the present participle and gerund of the verb "decrypt," meaning to convert encrypted or encoded information back into its original, readable form. In modern usage it belongs chiefly to the worlds of computing, cybersecurity, and cryptography, where protected data is scrambled so that only holders of the correct key can restore it. One speaks of decrypting messages, files, hard drives, or network traffic. Beyond its technical core, the word has developed a useful figurative sense: people describe decrypting jargon, bureaucratic language, or any puzzle-like material that resists easy understanding. The word carries connotations of technical skill, secrecy, and problem-solving, often evoking codebreakers and intelligence work. Its counterpart is "encrypting," which performs the reverse operation, hiding rather than revealing meaning. Because digital security now touches everyday life—from banking apps to messaging services—"decrypting" is a practical term for describing how hidden information is made intelligible again.
Converting encrypted or encoded data into readable plaintext, typically using a cryptographic key.
"The software is decrypting the downloaded archive automatically."
Most common in technical and cybersecurity contexts.
The act or process of decoding encrypted material.
"Decrypting without authorization is illegal in many jurisdictions."
Functions as a verbal noun, often taking a direct object.
Every time you shop online, your device is quietly decrypting secrets that would take a supercomputer longer than the age of the universe to crack by brute force.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of decrypting
The verb "decrypt" was formed from the prefix "de-" (indicating reversal) combined with "crypt," from the Greek "kryptos," meaning "hidden" or "concealed." The Greek root also underlies related borrowings such as "cryptic," "cryptogram," and "cryptography." While encryption terminology dates to earlier periods, "decrypt" emerged as established English vocabulary in the twentieth century alongside modern cryptography, particularly during and after the era of wartime codebreaking. Its derivatives include "decryption," "decrypted," and "decrypts."
Related word forms
How decrypting is actually used
Primarily technical and formal in register, common in cybersecurity, computing, and cryptography contexts; the figurative use is more informal and journalistic. The gerund form functions as both a noun phrase subject ('Decrypting requires a key') and as part of progressive verb forms ('was decrypting').
Easily confused with decrypting
'Deciphering' means working out the meaning of something difficult or obscure (such as handwriting or an ancient script), while 'decrypting' specifically means converting coded or encrypted data into readable form using a key.