1. (adj) voluminous
large in volume or bulk
Synonyms: twisty, winding, tortuous, twisting, copious
Antonyms: small, little, scarce, straight
2. (adj) tortuous, twisting, twisty, winding, voluminous
marked by repeated turns and bends
Synonyms: tangled, tortuous, winding, convoluted, voluminous, copious, rambling, meandering(a), twisty, twisting, involved, knotty, wandering(a)
Antonyms: little, straight, small, scarce
3. (adj) copious, voluminous
large in number or quantity (especially of discourse)
Synonyms: plentiful, rich, twisting, tortuous, copious, twisty, plenteous, ample, voluminous, winding
Antonyms: scarce, small, little, straight
|
Synonyms for voluminous 
