voluminous

Adjective

• large in number or quantity (especially of discourse)
  • she took copious notes
    
  • a subject of voluminous legislation
    

• 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
    

• large in volume or bulk
  • a voluminous skirt
    

Related words

• Synonyms: 
  copious , tortuous , twisting , twisty , winding