# voluminous

/vəˈɫumənəs/ (US) · /vəlˈuːmɪnəs/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/voluminous
Updated: 2026-05-20

## Definition

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.

For teachers: 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.

## Examples

- 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.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.