1. of, relating to, or written in the form of a cryptogram; using secret writing or code
Usage: formal; technical
2. obscure, mysterious, or difficult to understand; having a hidden or unclear meaning
Usage: literary; figurative

Examples

• The ancient text was written in a cryptogrammic script that scholars spent decades deciphering.
• Her cryptogrammic message left everyone puzzled about her true intentions.
• The spy used cryptogrammic techniques to hide sensitive information in ordinary letters.
• The poet's cryptogrammic style made her work challenging but rewarding to interpret.
• Military communications often employ cryptogrammic methods to ensure secrecy.
• The cryptogrammic nature of the document suggested it contained classified material.