English Reference

Word

voluminous

Phoneticsvo·lu·mi·nous, stress on the second syllable

US/vəˈɫumənəs/

UK/vəlˈuːmɪnəs/

Definition

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.

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.”

Examples

simple

“The lawyer presented a voluminous amount of evidence.”

contextual

“The library's collection includes several voluminous tomes on ancient history that are difficult to move.”

complex

“The committee was overwhelmed by the voluminous documentation required to prove the company's compliance with the new environmental regulations.”

Real-World Examples

“I’m used to pushing my body on both ends.” The day before a contest he will usually do a “liquid diet” just to get prepared for the voluminous amount of food coming his way.”
Toronto Sun 18 Sept 2026
“It has an absurdly bushy tail, used both as extra limb and voluminous shawl, and large paws which act like snow shoes.”
The Guardian 5 Aug 2026

Etymology

From Late Latin voluminosus, from volumen, from volvō (“roll, turn about”) + -men (noun-forming suffix). Related to volume.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

voluminous(C1)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · Advanced
Updated

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English Reference