voluminous
adjective /vəˈluːmɪnəs/
  /vəˈluːmɪnəs/
(formal)- (of clothing) very large; having a lot of cloth synonym ample- a voluminous skirt
 
- (of a piece of writing, a book, etc.) very long and detailed- There is voluminous literature on modernism and post-modernism.
 
- (of a container, piece of furniture, etc.) very large- I sank down into a voluminous armchair.
- From one of his voluminous pockets he produced a bottle of whisky.
 
Word Originearly 17th cent.: partly from late Latin voluminosus ‘having many coils’, partly from Latin volumen, volumin- ‘a roll’, from volvere ‘to roll’.