Byzantine, balled up, complex, complicated, confounded, confused, convoluted, crabbed, daedal, devious, elaborate, embrangled, entangled, fouled up, implicated, intricate, involuted, involved, knotted, labyrinthian, labyrinthine, loused up, many-faceted, matted, mazy, meandering, messed up, mixed up, mucked up, multifarious, perplexed, ramified, roundabout, screwed up, snarled, subtle, tangly, twisted