cypher

Noun

• a message written in a secret code

• a secret method of writing

• a person of no influence

• a quantity of no importance
  • it looked like nothing I had ever seen before
    
  • reduced to nil all the work we had done
    
  • we racked up a pathetic goose egg
    
  • it was all for naught
    
  • I didn't hear zilch about it
    

• a mathematical element that when added to another number yields the same number

Verb

• make a mathematical calculation or computation

• convert ordinary language into code
  • We should encode the message for security reasons
    

Related words

• Synonyms: 
  cipher , cryptograph , secret code , nobody , nonentity , zero , 0 , nought , calculate , compute , work out , reckon , figure , code , encipher , encrypt , inscribe , write in code