as in cave
a naturally formed underground chamber with an opening to the surface
a cavern with beautiful stalactites
Synonyms & Similar Words
Relevance
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of cavern
The reserve, which can reach as many as 714 million barrels, is stored in large, high-security underground salt caverns along the gulf coastlines of Louisiana and Texas.
—
Max Zahn, ABC News, 16 Mar. 2026
The town is famous for its caverns, discovered in 1878, but is an ideal home base for outdoor activities like hiking, river tubing, and horseback riding.
—Erica Silverstein, Travel + Leisure, 16 Mar. 2026
Here's what to know about the SPR, a network of salt caverns in Texas and Louisiana that can hold up to 714 million barrels of crude.
—Megan Cerullo, CBS News, 10 Mar. 2026
The single unit power, energy storage capacity and conversion efficiency of this project rank first globally among similar salt cavern CAES power plants, according to the company.
—Prabhat Ranjan Mishra, Interesting Engineering, 6 Mar. 2026
See All Example Sentences for cavern
Max Zahn, ABC News, 16 Mar. 2026
The town is famous for its caverns, discovered in 1878, but is an ideal home base for outdoor activities like hiking, river tubing, and horseback riding.
—Erica Silverstein, Travel + Leisure, 16 Mar. 2026
Here's what to know about the SPR, a network of salt caverns in Texas and Louisiana that can hold up to 714 million barrels of crude.
—Megan Cerullo, CBS News, 10 Mar. 2026
The single unit power, energy storage capacity and conversion efficiency of this project rank first globally among similar salt cavern CAES power plants, according to the company.
—Prabhat Ranjan Mishra, Interesting Engineering, 6 Mar. 2026
See All Example Sentences for cavern
Recent Examples of Synonyms for cavern
Noun
-
This research can enable highly functional, autonomous, tiny aerial robots for critical humanitarian applications, such as search and rescue, combating poaching and cave exploration.—
Nitin Sanket,
The Conversation,
27 Mar. 2026
-
The discovery of a canine jawbone in a cave in southern England suggests that dogs were domesticated 5,000 years earlier than previously thought.—
Tom Chivers,
semafor.com,
27 Mar. 2026
Noun
-
Its attractions include a mossy, cool grotto of ferns as well as vast views of Ashdown Forest and distant towns.—
Amy Waldman,
Travel + Leisure,
9 Mar. 2026
-
As the 14-year-old child of a poor family in 1858, Saint Bernadette experienced numerous apparitions of a young woman in a cave or grotto, seemingly the Virgin Mary, asking for a chapel to be built on the site.—
Chris Jones,
Chicago Tribune,
21 Feb. 2026
Cite this Entry
“Cavern.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cavern. Accessed 29 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
