(rare) The encoding of messages in such a way that they are as easy as possible to decipher.
1973, Carl Sagan, The cosmic connection: an extraterrestrial perspectiveWe are considering not cryptography, but anticryptography, the design by a very intelligent civilization of a message so simple that even civilizations as primitive as ours can understand it.
2005, Paul A LaViolette, Earth Under Fire: Humanity's Survival of the Ice AgeIt is common in the art of anticryptography to include a cross-check device with the coded message so that the recipient may reassure himself that he has properly deciphered and understood the message.
