customcipher
nounUK /ˈkʌstəmˌsaɪfə/
US /ˈkʌstəmˌsaɪfər/
A secret code that someone makes up for themselves.
The detective could not read the message because it was written in a customcipher.
RELATED WORDS
OTHER MEANINGS
2. A cipher whose alphabet or rules are designed by an individual rather than a standard system.
She used a customcipher based on her favorite book to hide her diary.
3. A software routine that encrypts data using user-defined settings.
The app lets you save notes with a customcipher of your own choosing.
4. Any private or nonstandard method of hiding meaning in symbols.
The treasure map used a customcipher that only the pirate captain understood.