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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Example Sentences
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Recent Examples of cavern
Explore a Cave Niagara Cave in Harmony is one of Midwest's largest limestone caverns, with a nearly 60-foot waterfall.
—
Robin Pfeifer, Midwest Living, 23 Apr. 2026
But Hezbollah is known to operate a network of underground tunnels and caverns.
—Lauren Frayer, NPR, 12 Apr. 2026
Located between the Sahara tent and the Do Lab, the Bunker is a gigantic subterranean cavern with room for 300 or so people — a dark and cool respite from the blazing Indio sun.
—Mikael Wood, Los Angeles Times, 10 Apr. 2026
The caverns boast 4 miles of cave passages, as well as over 400 acres aboveground.
—Madeline Bartos, CBS News, 6 Apr. 2026
See All Example Sentences for cavern
Robin Pfeifer, Midwest Living, 23 Apr. 2026
But Hezbollah is known to operate a network of underground tunnels and caverns.
—Lauren Frayer, NPR, 12 Apr. 2026
Located between the Sahara tent and the Do Lab, the Bunker is a gigantic subterranean cavern with room for 300 or so people — a dark and cool respite from the blazing Indio sun.
—Mikael Wood, Los Angeles Times, 10 Apr. 2026
The caverns boast 4 miles of cave passages, as well as over 400 acres aboveground.
—Madeline Bartos, CBS News, 6 Apr. 2026
See All Example Sentences for cavern
Recent Examples of Synonyms for cavern
Noun
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Guests looking to escape the hustle of life are surrounded by 60 acres of redwood forests, with ocean views, caves, waterfalls, and hiking trails among it all.—
Erika Owen,
Architectural Digest,
1 May 2026
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Around the same period, our ancestors began to more frequently occupy rock shelters and caves.—
Literary Hub,
Literary Hub,
1 May 2026
Noun
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The grottoes, just a half-mile in, are well worth visiting to see an example of the erosive powers of water and time.—
Staff Author,
Travel + Leisure,
1 May 2026
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In the spa’s sauna area, visitors can choose from a Finnish sauna, charcoal sauna, salt grotto, and an ice room, among other features.—
Condé Nast,
Condé Nast Traveler,
23 Apr. 2026
Cite this Entry
“Cavern.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cavern. Accessed 9 May. 2026.
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