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verb (used with object)
  1. to encipher or encode.

Origin of encrypt

1940–45; en-1 + -crypt (abstracted from cryptic, cryptography, etc.), modeled on encode
Related formsen·cryp·tion, en·cryp·ta·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for encrypt

Contemporary Examples

Historical Examples

  • You'd encrypt the message with your private key and my public key.

    Little Brother</p>

    Cory Doctorow

  • So instead of just encrypting the message with your private key, you also encrypt it with your boss's public key.

    Little Brother</p>

    Cory Doctorow

British Dictionary definitions for encrypt


verb (tr)
  1. to put (a message) into code
  2. to put (computer data) into a coded form
  3. to distort (a television or other signal) so that it cannot be understood without the appropriate decryption equipment
Derived Formsencrypted, adjectiveencryption, noun

Word Origin

C20: from en- 1 + crypt, as in crypto-
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for encrypt


1975 in computer sense, from en- (1) + crypt (see crypto-). Related: Encrypted; encrypting; encryption.

Online Etymology Dictionary, © 2010 Douglas Harper

encrypt in Science


  1. To alter information using a code or mathematical algorithm so as to be unintelligible to unauthorized readers.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.