Definition of Caesar substitution
: the replacement of each letter in a text by the one at a certain constant distance in the alphabet, especially a normal alphabet — compare julius caesar cipher
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
First Known Use of caesar substitution
Seen and Heard
What made you want to look up Caesar substitution? Please tell us where you read or heard it (including the quote, if possible).