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Definition of decryption

decryption

/diːˈkrɪp.ʃən/
de · cryp · tion
Plural:decryptions
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decryption Lexical Profile

decryption Game Scores & Validity

• noun

1

The process of converting encrypted or encoded data, text, or signals back into their original, intelligible, or readable form.

Example

"The security software requires a private digital key to complete the decryption of the confidential files."

Synonyms
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Antonyms
View all antonyms for decryption

Word Nuance & Usage

In cryptography, 'decryption' specifically refers to converting encrypted data back into readable form using an authorized key, whereas 'deciphering' often refers to breaking a cipher without prior knowledge of the key.

• Rhymes for decryption

• Nearby Words

decriminalize
decry
decrypt
decryption
dedicate
dedicated
dedicatedly

Word Origin & Etymology

Coined in the 20th century from 'decrypt' + '-ion', modeled as the opposite of 'encryption', ultimately tracing back to the Ancient Greek 'kryptos' meaning 'hidden' or 'secret'.

Cite this Entry

Wordmom. (2026). Definition of Decryption. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/decryption
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