American Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition cipher in American English

cipher noun

noun
/ˈsaɪfər/
1

a secret system of writing, used for sending messages so that no one can understand them unless they know the system

Example

The letter was written in cipher.

Synonyms and related words
2

someone who has no power, or who is not important

Example

He was only a cipher.

Synonyms and related words
Example

They had their family's cipher engraved on silver spoons and forks.

Definition cipher in American English