noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The art and science of concealing a secret message, data, or file within another innocuous message, image, audio file, or physical object in a way that hides the very existence of the hidden information from casual observation. uncountable
2. 2
   act of writing in code or cipher wordnet
3. 3
   The use of small computer files to communicate secret information. uncountable

Synonyms

All synonyms

codingcryptographycryptographysecret writing

Example

More examples

"The criminals used steganography to hide their communication in plain sight."

Etymology

From Ancient Greek στεγανός (steganós, “cover, roof”) + -graphy.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.