#1 tortuous s. [Byzantine, convoluted, involved, knotty, tangled] 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. wn
#2 tortuous s. [twisting, twisty, winding, voluminous] 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". wn
#3 tortuous s. not straightforward; "his tortuous reasoning". wn
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