We don't have synonyms for playfair yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are play fair, playfeer and mayfair.
(n) :
(cryptography) an encryption using the Playfair cipher
(n) :
(crosswording) A form of crossword in which some words must be encrypted with a Playfair cipher before being inserted into the grid, and solvers must deduce the codeword and the encrypted clues.
(n) :
(cryptography) an encryption using the Playfair cipher
(n) :
(crosswording) A form of crossword in which some words must be encrypted with a Playfair cipher before being inserted into the grid, and solvers must deduce the codeword and the encrypted clues.