cavernous

adjective

cav·​ern·​ous ˈka-vər-nəs 

1

a

: having caverns or cavities

b

of animal tissue : composed largely of vascular sinuses and capable of dilating with blood to bring about the erection of a body part

2

: constituting or suggesting a cavern

a cavernous warehouse

cavernously adverb

Examples of cavernous in a Sentence

We toured the cavernous airplane hangar.

The dance was held in a cavernous hall.

Recent Examples on the Web

Their applause, cheering and yipping boomed throughout a cavernous sanctuary, part of the UMC’s Murewa Centre Mission in a remote commerce hub located 90 kilometers from Harare. —Liam Adams, Nashville Tennessean, 12 Nov. 2025

Along with the bedroom and a bathroom with dual facilities, the primary suite encompasses all of the top floor and includes a lofted gym, a couple of balconies, and an office pod that hovers over the wet bar in the cavernous double-height living room below. —Mark David, Robb Report, 11 Nov. 2025

Visitors who travel down a dirt road to The Hollow — named for the hollow-core concrete that made Mellor wealthy — can enter the compound through a dark, cavernous passage lined with neon signs illuminating maxims from the likes of Thomas Jefferson, Thomas Paine, and Flynn. —Arthur Allen, Miami Herald, 3 Nov. 2025

Visitors who travel down a dirt road to The Hollow — named for the hollow-core concrete that made Mellor wealthy — can enter the compound through a dark, cavernous passage lined with neon signs illuminating maxims from the likes of Thomas Jefferson, Thomas Paine, and Flynn. —Arthur Allen, CNN Money, 24 Oct. 2025

Word History

Etymology

Middle English, borrowed from Middle French & Latin; Middle French, borrowed from Latin cavernōsus "having hollows or depressions," from caverna "hollow space, cavern entry 1" + -ōsus -ous

First Known Use

15th century, in the meaning defined at sense 1a

Kids Definition

cavernous

adjective

cav·​ern·​ous ˈkav-ər-nəs 

1

: having caverns or cavities

2

: resembling a cavern in being large and hollow

3

: composed largely of spaces capable of filling with blood to bring about the enlargement of a body part

cavernously adverb

Medical Definition

cavernous

adjective

cav·​ern·​ous ˈkav-ər-nəs 

1

: having caverns or cavities

2

of tissue : composed largely of vascular sinuses and capable of dilating with blood to bring about the erection of a body part