Voluminous

Webster's Dictionary of the English Language

·adj Of great volume, or bulk; large.

II. Voluminous ·adj Of or pertaining to volume or volumes.

III. Voluminous ·adj Consisting of many folds, coils, or convolutions.

IV. Voluminous ·adj Having written much, or produced many volumes; copious; diffuse; as, a voluminous writer.