voluminous -- (large in volume or bulk; "a voluminous skirt")
tortuous, 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")
copious, voluminous -- (large in number or quantity (especially of discourse); "she took copious notes"; "a subject of voluminous legislation")
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