tortuous

(s) 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
convoluted, tangled, Byzantine, knotty, involved,
(s) marked by repeated turns and bends
- a tortuous road up the mountain
- winding roads are full of surprises
- had to steer the car down a twisty track
twisting, twisty, winding, voluminous,
(s) not straightforward
- his tortuous reasoning

convoluted tangled Byzantine knotty involved twisting twisty winding voluminous

tortuously tortuousness