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
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
While the lake is said to have been discovered in 1905 by a 13-year-old boy named Ben Sands, the surrounding caverns were used by the Cherokee, and 20,000-year-old jaguar tracks were also found there.
—Lydia Mansel, 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
While the coffins weren't suspended on cliff faces, many were elevated on stilts and placed in hard-to-access caverns, again suggesting a purposeful and ceremonial ritual.
—New Atlas, 27 Dec. 2025
The teaser closed with brief looks at Greek soldiers, dark caverns, and Odysseus adrift at sea on a piece of wood.
—Allison Degrushe, Entertainment Weekly, 23 Dec. 2025
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
While the lake is said to have been discovered in 1905 by a 13-year-old boy named Ben Sands, the surrounding caverns were used by the Cherokee, and 20,000-year-old jaguar tracks were also found there.
—Lydia Mansel, 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
While the coffins weren't suspended on cliff faces, many were elevated on stilts and placed in hard-to-access caverns, again suggesting a purposeful and ceremonial ritual.
—New Atlas, 27 Dec. 2025
The teaser closed with brief looks at Greek soldiers, dark caverns, and Odysseus adrift at sea on a piece of wood.
—Allison Degrushe, Entertainment Weekly, 23 Dec. 2025
Recent Examples of Synonyms for caverns
Noun
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The geckos were found living around karst rock formations — a type of landscape shaped by the dissolution of soluble rock, typically characterized by dramatic caves, crevices and rugged rocky terrain.—
Ryan Brennan,
Miami Herald,
25 Feb. 2026
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These geckos live around karst rock formations — terrain shaped by limestone dissolution into caves, crevices and jagged outcrops.—
Ryan Brennan,
Charlotte Observer,
25 Feb. 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 26 Feb. 2026.
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