1 : having many complexly arranged elements; elaborate; "intricate lacework"
2 : resembling a labyrinth in form or complexity; "a labyrinthine network of tortuous footpaths"
3 : highly complex or intricate and occasionally devious; "the Byzantine tax structure"; "Byzantine methods for holding on to his chairmanship"; "convoluted legal language"; "convoluted reasoning"; "the plot was too involved"; "a knotty problem"; "got his way by labyrinthine maneuvering"; "Oh, what a tangled web we weave"- Sir Walter Scott; "tortuous legal procedures"; "tortuous negotiations lasting for months"
4 : complex and ingenious in design or function; "the daedal hand of nature"
