voluminous

Universal Words adjective (formal) 1 (of clothing) very large; having a lot of fabric: a voluminous cloak / skirt 2 (of a piece of writing, a book, etc.) very long and detailed: There is voluminous literature on modernism and post-modernism. 3 (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. voluminously adverb