Synonyms for Cipher:

adj.

zero (adjective)
naught.

n.

cryptography, CAPTCHA, alphanumeric, CODED, code name, break. mediocrity, important, lackey, has-been, shrimp, pip-squeak, minion, minnow, small fry, small potatoes, nebbish. communication (noun)
cypher.
letter (noun)
consonant, abc, monogram, vowel, character, letter, upper case, literal, alphabet.
nonexistence (noun)
nonentity, barrenness, null, vacuousness, non-subsistence.
unmeaningness (noun)
babble, meaninglessness, gobbledygook, noise, blather, absurdity, hogwash, jabber, drivel, nonsense, unmeaningness, double talk, senselessness.
unsubstantiality (noun)
nullity, intangibility, spectre, phantom, nothingness, zero, vacancy, tenuousness, Nihility, impalpability, immateriality, unreality, mirage, Ethereality, apparition, vacuity, nonexistence, emptiness, insignificance.
written symbol (noun)
character.
zero (noun)
aught, naught, dummy, nil, nothing, nought, void, zilch, blank, nobody.
zero; nothingness (noun)
nil, nullity, naught, nothing, zip, nonentity, nought, nada, zilch, nobody, blank, goose egg.

Other synonyms:

shrimp, mediocrity, CODED. break. encode
encrypt.
encrypt
encode.
Other relevant words:
encrypt, reckon, work out, pip-squeak, shrimp, compute, encode, secret code, nebbish, break, calculate, inscribe, mediocrity, nix, cypher, nada, cryptography, CODED, goose egg, zip, small potatoes, alphanumeric, CAPTCHA, encipher, cryptograph, write in code, small fry.

Usage examples for cipher

  1. It read: " Use cipher – Autobiography of Andrew Carnegie by Andrew Carnegie
  2. Kropotkin did not look at the hour, but pulled off the lid, and found a tiny cipher note containing a new plan. – Comrade Kropotkin by Victor Robinson
  3. The cipher tells nothing. – Helmet of Navarre by Bertha Runkle