1) Abundant 2) Baggy 3) Big 4) Copious 5) Huge 6) Large 7) Loose 8) Roomy 9) Spacious 1) Large 2) Large in number or quantity 3) Large in volume or bulk 
• (a.) Of or pertaining to volume or volumes. • (a.) Having written much, or produced many volumes; copious; diffuse; as, a voluminous writer. • (a.) Of great volume, or bulk; large. • (a.) Consisting of many folds, coils, or convolutions.
Vo·lu'mi·nous adjective [ Latin voluminosus : confer French volumineux .] Of or pertaining to volume or volumes. Specifically: -- (a) Consisting of many folds, coils, or convolutions. « But ended foul in many a scaly fold, Voluminous and vast.» Milton.
[adj] - large in volume or bulk
adjective large in number or quantity (especially of discourse); `she took copious notes`; `a subject of voluminous legislation` adjective large in volume or bulk; `a voluminous skirt`
[SAT terms] large in number or quantity