also: だいぶ
noun which may take the genitive case particle 'no'
Describes a book, document, or written work that is long or has many pages. Often used with の to modify a noun.
Antonyms: 小部
He finished reading the lengthy novel in one night.
This dictionary is voluminous and hard to carry around.
most; greater part; fairly; much
Used as a noun or adverb to indicate a large portion or degree. As an adverb, it often means 'considerably' or 'quite'. Note that the adverb だいぶ (with the same meaning) is far more common and is usually written in kana.
Most of the work is already done.
This problem is fairly difficult.
It takes a lot of time to finish reading this voluminous document.