as in caves
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 caverns
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
Beyond the caverns, the site also features several other attractions, including The Garden Maze, Shenandoah Heritage Village, and Toy Town, which will delight children of all ages.
—Jennifer Prince, Southern Living, 28 Feb. 2026
Hydrogen produced using renewable electricity could be pumped into these caverns when supply is abundant.
—Rupendra Brahambhatt, Interesting Engineering, 22 Feb. 2026
This extensive network of limestone caverns and underground waterways carved by the Río Camuy will reopen to the public in 2026, after being closed due to Hurricane Maria and then closed again after Hurricane Fiona.
—Kathleen Rellihan, Outside, 10 Feb. 2026
These caverns under sidewalks could be used for storage, and circular pieces of thick glass in the sidewalk added natural light to these eerie underground chambers.
—Jacques Kelly, Baltimore Sun, 7 Feb. 2026
During summer months, the Wyandotte Caves attract visitors who wish to explore the unique underground caverns.
—Robert Annis, Midwest Living, 19 Jan. 2026
Travelers can easily spend the entire day exploring these captivating caverns, admiring the mystical stalagmites and stalactites and looking out for wildlife like bats and cougars.
—Lauren Dana Ellman, Travel + Leisure, 16 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
Chris Isidore, CNN Money, 3 Mar. 2026
Beyond the caverns, the site also features several other attractions, including The Garden Maze, Shenandoah Heritage Village, and Toy Town, which will delight children of all ages.
—Jennifer Prince, Southern Living, 28 Feb. 2026
Hydrogen produced using renewable electricity could be pumped into these caverns when supply is abundant.
—Rupendra Brahambhatt, Interesting Engineering, 22 Feb. 2026
This extensive network of limestone caverns and underground waterways carved by the Río Camuy will reopen to the public in 2026, after being closed due to Hurricane Maria and then closed again after Hurricane Fiona.
—Kathleen Rellihan, Outside, 10 Feb. 2026
These caverns under sidewalks could be used for storage, and circular pieces of thick glass in the sidewalk added natural light to these eerie underground chambers.
—Jacques Kelly, Baltimore Sun, 7 Feb. 2026
During summer months, the Wyandotte Caves attract visitors who wish to explore the unique underground caverns.
—Robert Annis, Midwest Living, 19 Jan. 2026
Travelers can easily spend the entire day exploring these captivating caverns, admiring the mystical stalagmites and stalactites and looking out for wildlife like bats and cougars.
—Lauren Dana Ellman, Travel + Leisure, 16 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
Recent Examples of Synonyms for caverns
Noun
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The government cut down swaths of jungle and drove support columns down into the caves to build the tourist train.—
Arkansas Online,
Arkansas Online,
1 Mar. 2026
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Not only have explorers mapped new areas over the years, but new caves are still forming.—
Eve Chen,
USA Today,
1 Mar. 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 7 Mar. 2026.
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