voluminous

adjective

vo·​lu·​mi·​nous və-ˈlü-mə-nəs 

1

a

: having or marked by great volume or bulk : large

long voluminous tresses

also : full

a voluminous skirt

b

: numerous

trying to keep track of voluminous slips of paper

2

a

: filling or capable of filling a large volume or several volumes

a voluminous literature on the subject

b

: writing or speaking much or at great length

a voluminous correspondent

3

: consisting of many folds, coils, or convolutions : winding

voluminously adverb

voluminousness noun

Synonyms of voluminous

• large
• substantial
• sizable
• considerable
• oversize
• big
• huge
• vast
• great
• handsome

Examples of voluminous in a Sentence

the building's high ceilings and voluminous spaces

a writer of voluminous output

Recent Examples on the Web

As the case neared trial, both sides filed voluminous motions over what evidence should be presented to the jury on the conspiracy count — arguments that are now mostly meaningless given the dismissal of the felony charge. —Jason Meisner, Chicago Tribune, 29 Apr. 2026

But on Wednesday afternoon, attorney Marilyn Bednarski asked that the hearing be pushed back to May 26, citing the voluminous amount of discovery in the case. —Richard Winton, Los Angeles Times, 29 Apr. 2026

At stake in the case is whether the government can sift through voluminous data that exposes a phone's location at a crime scene – without knowing who is holding it. —Bart Jansen, USA Today, 26 Apr. 2026

Meanwhile, Maya and Hutson both donned custom Prada ensembles, with Maya wearing an elegant wedding dress with a boat neckline and voluminous skirt, and Hutson sporting a classic tuxedo. —Ashlyn Robinette, PEOPLE, 24 Apr. 2026

Word History

Etymology

Late Latin voluminosus, from Latin volumin-, volumen

First Known Use

1611, in the meaning defined at sense 3

Rhymes for voluminous

• albuminous
• aluminous
• bituminous
• leguminous
• luminous
• numinous
• subbituminous

Kids Definition

voluminous

adjective

vo·​lu·​mi·​nous və-ˈlü-mə-nəs 

1

a

: having or marked by great volume or bulk : large

a voluminous discharge of lava

b

: full sense 3b

voluminous curtains

2

: filling or capable of filling a large volume or several volumes

voluminous research

voluminously adverb

voluminousness noun