cryptography Syllabification: (cryp·tog·ra·phy)Pronunciation: /kripˈtägrəfē/Definition of cryptography noun the art of writing or solving codes. Derivatives cryptographerPronunciation: /-fər/ noun cryptographicPronunciation: /ˌkriptəˈgrafik/ adjective cryptographicallyPronunciation: /ˌkriptəˈgrafik(ə)lē/ adverb cryptography in other Oxford dictionaries Definition of cryptography in the British & World English dictionary