Byz·an·tine
adj
\ˈbi-zən-ˌtēn, ˈbī-, -ˌtīn; bə-ˈzan-ˌ, bī-ˈ\
Definition of BYZANTINE

: of, relating to, or characteristic of the ancient city of Byzantium

often not capitalized a : of, relating to, or characterized by a devious and usually surreptitious manner of operation <a Byzantine power struggle> b : intricately involved : labyrinthine <rules of Byzantine complexity>