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Noun: cipher  sI-fu(r)
  1. A message written in a secret code
    - cypher
     
  2. A mathematical element that when added to another number yields the same number
    - zero, 0, nought [Brit], cypher, naught [N. Amer]
     
  3. No amount at all; something of no value or importance
    - nothing, nil, nix, nada [N. Amer], null, aught [archaic], cypher, goose egg [N. Amer], naught [N. Amer], zero, zilch, zip, zippo [N. Amer], nought [Brit]
     
  4. A person of no influence
    - cypher, nobody, nonentity
     
  5. A secret method of writing
    - cypher, cryptograph, secret code
Verb: cipher  sI-fu(r)
  1. Convert ordinary language into code
    - code, encipher, cypher, encrypt, inscribe, write in code
     
  2. (mathematics) make a mathematical calculation or computation
    - calculate, cypher, compute, work out, reckon, figure [N. Amer]

Derived forms: ciphered, ciphering, ciphers

Type of: code, common man, common person, commoner, digit, encode, figure, message, reason, relative quantity

Encyclopedia: Cipher