
nobody, cipher, cypher, nonentity  a person of no influence  

0, zero, cipher, cypher, nought  a mathematical element that when added to another number yields the same number  
V2 
cipher, encipher, cypher, inscribe, code, encrypt, write in code  convert ordinary language into code  
V2 
compute, calculate, figure, reckon, work out, cipher, cypher  [in mathematics] make a mathematical calculation or computation  

cipher, cypher  a message written in a secret code  

nothing, zero, naught, zip, cipher, cypher, nil, nix, nada, null, aught, goose egg, zilch, zippo  a quantity of no importance  

cryptograph, cipher, cypher, secret code  a secret method of writing 