Meanings
nounCaesar cipher (plural Caesar ciphers)
plural Caesar ciphers
- computingA simple form of encryption in which each letter in the plaintext is shifted through the alphabet a number of positions (for example A→D, B→E, C→F, etc.).
Synonyms: Julius Caesar cipher
Synonyms & antonyms
nounA simple form of encryption in which each letter in the plaintext is shifted through the alphabet a number of positions (for example A→D, B→E, C→F, etc.).
Similar
Also see
Origin
From its supposed use by Julius Caesar to communicate with his generals.
Full word history & related roots →Translations
Hungarian Caesar-rejtjel
- Caesar-rejtjelsimple form of encryption
Icelandic reiknirit Sesars
- reiknirit Sesarssimple form of encryption
Polish szyfr Cezara
- szyfr Cezarasimple form of encryption
Russian шифр Це́заря
- шифр Це́заря (šifr Cézarja)simple form of encryption
Rhymes & wordplay
Rhymes with Caesar cipher
All rhymes →Cite this entry
APA
Caesar cipher. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Caesar%20cipher
MLA
“Caesar cipher.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Caesar%20cipher. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “Caesar cipher,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Caesar%20cipher.
Source: Caesar cipher on Wiktionary, CC BY-SA 4.0.