cipher
23 synonyms and 5 antonyms for cipher, grouped by meaning and by how common each one is.
Noun — A system for turning readable text into a secret, scrambled form; more loosely, a secret code.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
1. noun
A system for turning readable text into a secret, scrambled form; more loosely, a secret code.
“The spy sent messages written in a simple cipher.”
2. noun
A person or thing regarded as having no real importance or influence.
“Without real authority, the new manager was just a cipher.”
Opposites
How to use cipher
The word patterns that sound natural to a native speaker.
Etymology
From Old French cyfre, ultimately from Arabic sifr meaning "zero" or "empty" — the same root that gives us the word "zero" itself.
Full origin of cipher →