voluminous

adjective4

1. •
   Of great volume, or bulk; large.

   • Matters of a much more extraordinary kind are to be the subject of this history, or I should grossly mis-spend my time in writing so voluminous a work […] — 1749
2. •
   Consisting of many folds, coils, or convolutions.

   • I remember that the Baroness was clad in a voluminous silk dress, pale grey in colour, and adorned with flounces and a crinoline and train. — 1867
3. •
   Having written much, or produced many volumes.
4. •
   Of or pertaining to volume or volumes.