cypher
cy-pher
verb
To write something in a secret code or using a cypher.
"They cyphered the message before sending it."
noun
A secret method of writing using a code or symbols.
"The spy used a complex cypher to hide his plans."
noun
A person or thing of no importance or influence; a nonentity.
"He felt like a mere cypher in the vast organisation."
Thesaurus
Synonyms: calculate, compute, work out, cipher, figure, reckon, null, zippo, naught, nothing, nil, nada