voluminous
adj. C1 Advanced US //vəˈɫumənəs// UK //vəlˈuːmɪnəs// vo·lu·mi·nous
adj. having a very large size or amount. You use this to describe things like books that are thick or reports that have a lot of information.
adj. having a great volume or size; consisting of a large amount of material. Often used to describe physical objects or abstract quantities like data or evidence.
The lawyer presented a voluminous amount of evidence.
The library's collection includes several voluminous tomes on ancient history that are difficult to move.
The committee was overwhelmed by the voluminous documentation required to prove the company's compliance with the new environmental regulations.
From Late Latin voluminosus, from volumen, from volvō (“roll, turn about”) + -men (noun-forming suffix). Related to volume.