de·​crypt | \(ˌ)dē-ˈkript \

Definition of decrypt 

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Other Words from decrypt

decryption \ -​ˈkrip-​shən \ noun

Synonyms & Antonyms for decrypt


break, crack, decipher, decode


cipher, code, encipher, encode, encrypt

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Examples of decrypt in a Sentence

decrypting the Germans' code was one of the Allies' greatest triumphs

Recent Examples on the Web

In such scenarios, people can still encrypt and decrypt messages in a separate application. Dan Goodin, Ars Technica, "Critical PGP and S/MIME bugs can reveal encrypted emails—uninstall now [Updated]," 14 May 2018 The most effective way to reduce attack surface for PGP email is to disable its integration in email programs and instead use a separate application for encrypting and decrypting messages. Dan Goodin, Ars Technica, "It has been a bad week for encrypted messaging and it’s only Wednesday," 16 May 2018 In Telegram’s case, the app allows users to engage in encrypted communication that can’t be decrypted by third parties, including law enforcement. Don Reisinger, Fortune, "Telegram CEO Says Apple Refuses to Update App After Russian Blockade," 31 May 2018 THE KEY Security experts are at odds over how to respond to new research showing hackers could decrypt emails that were supposed to be protected by a popular encryption tool known as PGP, or Pretty Good Privacy. Derek Hawkins, Washington Post, "The Cybersecurity 202: Security community has its own encryption debate after discovery of new flaw," 15 May 2018 Or even if the hackers did decrypt the infected devices, the city's digital infrastructure could still been weakened by the attack. Lily Hay Newman, WIRED, "Atlanta Spent $2.6M to Recover From $52,000 Ransomware Scare," 23 Apr. 2018 Putin signed laws in 2016 on fighting terrorism, which included a requirement for messaging services to provide the authorities with means to decrypt user correspondence. Ilya Khrennikov,, "Telegram Loses Bid to Block Russia From Encryption Keys," 20 Mar. 2018 Reformat it a second time so the next user doesn’t get a prompt to decrypt it. Rob Pegoraro, USA TODAY, "Ready to ditch your old flash drive? Don't just erase and recycle," 5 July 2018 About one million classified messages were decrypted by the USSR. WSJ, "Pueblo Capture: A Failure of Senior Officers," 5 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decrypt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of decrypt

1935, in the meaning defined above

History and Etymology for decrypt

de- + -crypt (in cryptanalysis, cryptogram), perhaps after decipher

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Statistics for decrypt

Last Updated

1 Nov 2018

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Time Traveler for decrypt

The first known use of decrypt was in 1935

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