complex Synonyms

complicated involved intricate tangled knotty convoluted hard labyrinthine difficult composite sophisticated elaborate compound byzantine tricky ramified fixation thorny system network multifaceted detailed multidimensional tough obsession obscure problematic precinct repetend roundabout rugged problematize profound rough puzzling rococo raveled rich recondite sensitive preoccupation parasynthetic paradoxical operose nodulous nexus mystifying multiplex multiple multilateral