cypher
noun
1. a mathematical element that when added to another number yields the same number
Similar word(s): cipher, nought, zero
Definition categories: quantity, digit, figure
2. a quantity of no importance
Similar word(s): aught, cipher, nada, naught, nil, nix, nothing, null, zero, zilch, zip, zippo
Definition categories: quantity
3. a person of no influence
Similar word(s): cipher, nobody, nonentity
Definition categories: person, commoner
4. a secret method of writing
Similar word(s): cipher, cryptograph
Definition categories: communication, code
5. a message written in a secret code
Similar word(s): cipher
Definition categories: communication, message