as in cave
a naturally formed underground chamber with an opening to the surface
a cavern with beautiful stalactites
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Recent Examples of cavern
If, as Israel maintains, Iran’s nuclear program has a hidden element, then surely that would not be housed in the same places where UN inspectors roam, and in the case of Fordow, over which there has been a public discussion for days of what American bombs might penetrate its deep caverns.
—
Nick Paton Walsh, CNN Money, 22 June 2025
An equally short walk away were the caverns with underground springs for adventurous bathers.
—Jane Arraf, NPR, 11 June 2025
Three caverns filled with hot water will store enough energy to warm Finland’s fourth-largest city for up to a year.
—Troy Aidan Sambajon, Christian Science Monitor, 22 Apr. 2025
The caverns, open to the public since the sixties, continue to be explored.
—Kaitlyn Yarborough, Southern Living, 18 Apr. 2025
See All Example Sentences for cavern
Nick Paton Walsh, CNN Money, 22 June 2025
An equally short walk away were the caverns with underground springs for adventurous bathers.
—Jane Arraf, NPR, 11 June 2025
Three caverns filled with hot water will store enough energy to warm Finland’s fourth-largest city for up to a year.
—Troy Aidan Sambajon, Christian Science Monitor, 22 Apr. 2025
The caverns, open to the public since the sixties, continue to be explored.
—Kaitlyn Yarborough, Southern Living, 18 Apr. 2025
See All Example Sentences for cavern
Recent Examples of Synonyms for cavern
Noun
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Politicians and observers gathered for the ceremony held in the ancient cave of Casene near the town of Sulaymaniyah, where about 30 men and women from the militant group placed their weapons in a large cauldron that was later set on fire.—
Gul Tuysuz,
CNN Money,
11 July 2025
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Since South Korea is home to hundreds of unexplored caves and close to countries with several pseudoscorpion species, arachnologists were curious what pseudoscorpions could be lurking in these limestone cave systems and lava tubes spread across two extensive mountain ranges.—
Laura Baisas,
Popular Science,
9 July 2025
Noun
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Wind along sculpted griffins, a hilltop tempietto, fountains, a grotto, marble colonnades, a reflection pool and an amphitheater amid Hudson views.—
Michele Herrmann,
Forbes.com,
15 June 2025
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In the living room, where the family spends most of their time, Mc Adam again turned to the sea for inspiration, this time looking to 18th-century shell grottoes found in Irish coastal estates.—
Laura May Todd,
Architectural Digest,
23 Apr. 2025
Cite this Entry
“Cavern.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cavern. Accessed 18 Jul. 2025.
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