as in caves
a naturally formed underground chamber with an opening to the surface
a cavern with beautiful stalactites
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Recent Examples of caverns
The caverns boast 4 miles of cave passages, as well as over 400 acres aboveground.
—
Madeline Bartos, CBS News, 6 Apr. 2026
Be sure to visit one of the former tufa quarries, with their impressively huge caverns.
—Elizabeth Heath, Travel + Leisure, 31 Mar. 2026
Few caverns possess the same cache of fossils as Bender’s Cave, however.
—Andrew Paul, Popular Science, 26 Mar. 2026
For more caves and caverns exploration, check out our guide.
—Tiffany Acosta, AZCentral.com, 19 Mar. 2026
The reserve, which can reach as many as 714 million barrels, is stored in large, high-security underground salt caverns along the gulf coastlines of Louisiana and Texas.
—Max Zahn, ABC News, 16 Mar. 2026
To remove oil from the reserves, water is pumped into the salt caverns, making the crude float to the surface, where it is captured and sent through pipelines to refineries.
—Wyatte Grantham-Philips, Fortune, 8 Mar. 2026
During periods of low electricity demand, electrical energy is used to compress air and store it in underground salt caverns.
—Prabhat Ranjan Mishra, Interesting Engineering, 6 Mar. 2026
The world’s largest stockpile of emergency oil, the SPR is held in a network of underground salt caverns in Louisiana and Texas.
—Chris Isidore, CNN Money, 3 Mar. 2026
Madeline Bartos, CBS News, 6 Apr. 2026
Be sure to visit one of the former tufa quarries, with their impressively huge caverns.
—Elizabeth Heath, Travel + Leisure, 31 Mar. 2026
Few caverns possess the same cache of fossils as Bender’s Cave, however.
—Andrew Paul, Popular Science, 26 Mar. 2026
For more caves and caverns exploration, check out our guide.
—Tiffany Acosta, AZCentral.com, 19 Mar. 2026
The reserve, which can reach as many as 714 million barrels, is stored in large, high-security underground salt caverns along the gulf coastlines of Louisiana and Texas.
—Max Zahn, ABC News, 16 Mar. 2026
To remove oil from the reserves, water is pumped into the salt caverns, making the crude float to the surface, where it is captured and sent through pipelines to refineries.
—Wyatte Grantham-Philips, Fortune, 8 Mar. 2026
During periods of low electricity demand, electrical energy is used to compress air and store it in underground salt caverns.
—Prabhat Ranjan Mishra, Interesting Engineering, 6 Mar. 2026
The world’s largest stockpile of emergency oil, the SPR is held in a network of underground salt caverns in Louisiana and Texas.
—Chris Isidore, CNN Money, 3 Mar. 2026
Recent Examples of Synonyms for caverns
Noun
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The new arrivals were taken by the village production team to their allotted caves.—
Michael Sheridan,
Vanity Fair,
8 Apr. 2026
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There will be little temptation to venture away from the comforts of the resort’s idyllic and famously still beach, unless by boat, kayak, or bike to explore the surrounding archipelago’s dramatic cliffs, caves, and paths.—
Condé Nast,
Condé Nast Traveler,
7 Apr. 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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Stay at the Four Seasons Resort Nevis, which partners with Islander Watersports to offer excursions to scuba dive reefs, coral grottoes and shipwrecks just minutes from Pinney’s Beach.—
Adrienne Jordan,
USA Today,
6 Nov. 2025
Cite this Entry
“Caverns.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/caverns. Accessed 10 Apr. 2026.
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