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
Top of the Rock’s two-and-a-half-mile Lost Canyon Cave and Nature Trail—an electric-cart ride through soaring rock walls, echoing caverns, and cascading waterfalls—must be seen to be believed.
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T.j. Olwig, Travel + Leisure, 26 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
Nautical vampires aside, the caverns offer a unique experience for people to explore one of America's longest navigable underground rivers.
—John Tufts, IndyStar, 10 Dec. 2025
These heights provided caverns that were used to hide, store food, and shelter cattle, especially for the Nyem-Nyem, who settled in the caves of Mount Jim, in the mountains of Galim.
—Literary Hub, 5 Dec. 2025
See All Example Sentences for cavern
Recent Examples of Synonyms for cavern
Noun
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Great Basin encompasses more than 77,000 acres of stunning wilderness, including a cave system, alpine lakes, pinyon-juniper forests, and high altitude peaks.—
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The hotel sits above a deep valley, with ancient caves built into the cliffs.—
Noun
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Cedar Creek Spa, an 18,000-square-foot wellness wonderland, and its grotto pool alone are worth the visit.—
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For example, one Santa with hearing loss told grotto visitors that his cochlear implants were, in fact, microphones for speaking to their hardworking elves.—
Cite this Entry
“Cavern.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cavern. Accessed 13 Jan. 2026.
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