de·​crypt | \ (ˌ)dē-ˈkript How to pronounce decrypt (audio) \
decrypted; decrypting; decrypts

Definition of decrypt

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Other Words from decrypt

decryption \ (ˌ)dē-​ˈkrip-​shən How to pronounce decryption (audio) \ 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

As a result, messages that pass through Signal’s central servers can be decrypted only by the recipients’ private key, which is stored only on the recipients’ individual devices. Dan Goodin, Ars Technica, "Police decrypt 258,000 messages after breaking pricey IronChat crypto app," 7 Nov. 2018 Once the sender certificate is decrypted, message recipients can use it to mathematically verify the validity of the sender. Dan Goodin, Ars Technica, "New Signal privacy feature removes sender ID from metadata," 30 Oct. 2018 Eve sat in the middle, trying to decrypt the messages. Sophie Weiner, Popular Mechanics, "Google's AI Taught Itself To Encrypt Messages," 29 Oct. 2016 Marriott did encrypt this information using Advanced Encryption Standard encryption (AES-128), but the company notes both components needed to decrypt payment card numbers may have been stolen. Tom Warren, The Verge, "Marriott reveals massive database breach affecting up to 500 million hotel guests," 30 Nov. 2018 In 2013, a federal judge refused to force a Wisconsin child-pornography suspect to decrypt his laptop. Cyrus Farivar, Ars Technica, "Court: Teen’s driving killed someone, but he can’t be forced to give up passcode," 28 Oct. 2018 ProtonVPN also supports Forward Secrecy, which uses one-time session encryption keys to prevent someone from stealing encryption keys from a following VPN session and using those to decrypt earlier sessions. Ian Paul, PCWorld, "ProtonVPN review: Underground data centers, one-click multi-hop, and more make for a great choice," 4 Sep. 2018 With forward secrecy, there’s no long-term key that, once discovered, can be used to decrypt past communications. Instead, the communication is destroyed at the end of the session. Henry Farrell, Washington Post, "The FBI blunder on phone encryption explained," 30 May 2018 Even with the physical phone in custody, the data was encrypted, and Apple didn’t know the password to decrypt it. Russell Brandom, The Verge, "Facebook’s encryption fight will be harder than San Bernardino," 20 Aug. 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

14 Jun 2019

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Time Traveler for decrypt

The first known use of decrypt was in 1935

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More from Merriam-Webster on decrypt

Rhyming Dictionary: Words that rhyme with decrypt

Thesaurus: All synonyms and antonyms for decrypt

Britannica English: Translation of decrypt for Arabic Speakers

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