Definition of Cypher

1. Noun. A mathematical element that when added to another number yields the same number.

Exact synonyms: 0, Cipher, Nought, Zero
Generic synonyms: Digit, Figure
Derivative terms: Cipher, Zero

2. Verb. Convert ordinary language into code. "We should encode the message for security reasons"
Exact synonyms: Cipher, Code, Encipher, Encrypt, Inscribe, Write In Code
Generic synonyms: Encode
Derivative terms: Cipher, Cipher, Code, Code, Coder, Coding, Encryption

3. Noun. A quantity of no importance. "I didn't hear zilch about it"
Exact synonyms: Aught, Cipher, Goose Egg, Nada, Naught, Nil, Nix, Nothing, Null, Zero, Zilch, Zip, Zippo
Generic synonyms: Relative Quantity
Specialized synonyms: Nihil, Bugger All, Fanny Adams, Fuck All, Sweet Fanny Adams
Derivative terms: Zero

4. Verb. Make a mathematical calculation or computation.

5. Noun. A person of no influence.

6. Noun. A secret method of writing.
Exact synonyms: Cipher, Cryptograph, Secret Code
Generic synonyms: Code
Derivative terms: Cipher

7. Noun. A message written in a secret code.
Exact synonyms: Cipher
Generic synonyms: Message
Derivative terms: Cipher

Definition of Cypher

1. n. & v. See Cipher.

Definition of Cypher

1. Noun. (alternative spelling of cipher) ¹

2. Verb. (alternative spelling of cipher) ¹

¹ Source:

Definition of Cypher

1. to cipher [v -ED, -ING, -S] - See also: cipher

Lexicographical Neighbors of Cypher

cynthia moth
cypher (current term)
cypionic acid

Literary usage of Cypher

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Annals of Philosophy by Richard Phillips, E W Brayley (1816)
"SIR, To contrive a cypher which shall be at once secure from detection, and easy in its application, has been considered a problem of some difficulty; ..."

2. Franks Bequest: Catalogue of British and American Book Plates Bequeathed to by Sir Augustus Wollaston Franks, Edward Russel James Gambier Howe, British Museum Dept. of Prints and Drawings, Sidney Colvin (1904)
"21485 EM; cccc Chippendale 21486 EM; cccc cypher cypher 21487 EM . ... 21494 I. M Crest (a hawk's head erased) and cypher 21495 I. M Chippendale 21496 IM ..."

3. Annals of Philosophy, Or, Magazine of Chemistry, Mineralogy, Mechanics by Thomas Thomson (1816)
"SIR, A New cypher proposed. (To Dr. Thomson.) To contrive a cypher which shall be at once secure from detection, and easy in its application, ..."

4. A Complete Collection of State Trials and Proceedings for High Treason and Thomas Bayly Howell, William Cobbett by Thomas Bayly Howell, William Cobbett (1816)
"I may add to this, my lords, that in the cypher inserted among the Scotch ... 1 hope we may be allowed to argue in this manner, from one cypher to another ..."

5. Notes and Queries by Martim de Albuquerque (1858)
"... in cypher, wit/s an Harmonic Alphabet, 8vo., 1773 ; A New Book of cyphers of Single and ... and as “ book opens book,” the article cypher in Rees's ..."

6. The Papers of James Madison: Purchased by Order of the Congress, Being His by James Madison (1840)
"I fully concur in the change of cypher which you suggest, and understand the ... I have been in some pain from the danger incident to the cypher we now use. ..."

7. The Despatches of William Perwich: English Agent in Paris, 1669-1677 by William Perwich (1903)
"Going from Berlin hee by neglect left on his table his escritoire, wherein were all his papers & instructions from France in cypher, with the cypher itselfe ..."

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