as in cave
a naturally formed underground chamber with an opening to the surface
a cavern with beautiful stalactites
Synonyms & Similar Words
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Recent Examples of cavern
This layer, and all the others, come down the shaft in pieces and are assembled in the detector cavern, starting with the outer structure.
—
Prabhat Ranjan Mishra, Interesting Engineering, 15 Jan. 2026
Ice Castles in Silverton and Cripple Creek are a beloved stop for Coloradans and visitors to celebrate winter with slides, towers, tunnels and caverns.
—Christa Swanson, CBS News, 9 Jan. 2026
One of the directors of the Chinese cave training, veteran astronaut Ye Guangfu, also participated in a 2016 CAVES training in a European cavern.
—Joe Wilkins Published Jan 8, Futurism, 8 Jan. 2026
To create that effect, the walls were done up in a creamy, textured design that creates a cavern-like space.
—Nicole Hoey, Robb Report, 30 Dec. 2025
See All Example Sentences for cavern
Prabhat Ranjan Mishra, Interesting Engineering, 15 Jan. 2026
Ice Castles in Silverton and Cripple Creek are a beloved stop for Coloradans and visitors to celebrate winter with slides, towers, tunnels and caverns.
—Christa Swanson, CBS News, 9 Jan. 2026
One of the directors of the Chinese cave training, veteran astronaut Ye Guangfu, also participated in a 2016 CAVES training in a European cavern.
—Joe Wilkins Published Jan 8, Futurism, 8 Jan. 2026
To create that effect, the walls were done up in a creamy, textured design that creates a cavern-like space.
—Nicole Hoey, Robb Report, 30 Dec. 2025
See All Example Sentences for cavern
Recent Examples of Synonyms for cavern
Noun
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During the prohibition era, the cave used trap doors and movable brick walls to hide liquor from law enforcement.—
Paige Moore,
AZCentral.com,
30 Jan. 2026
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Kick things off with the calamari fritti, equal parts crispy and airy, the kind of starter that will make even your anti-fried-food friend cave.—
Megan Spurrell,
Condé Nast Traveler,
30 Jan. 2026
Noun
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Highlights include Xi’an’s Terracotta Warriors, the cliffside grottoes of Dunhuang, and a camel ride across the dunes of the Gobi Desert.—
Everett Potter,
Forbes.com,
26 Jan. 2026
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For example, a fresco of Thecla – along with her mother and Paul – is depicted in a fifth- or sixth-century grotto just outside of Ephesus, an important city both in the Roman Empire and in early Christianity.—
Christy Cobb,
The Conversation,
16 Jan. 2026
Cite this Entry
“Cavern.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cavern. Accessed 4 Feb. 2026.
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