as in cave
a passage that goes under the ground, through a hill, etc.
The train goes through a tunnel in the mountain. The moles dug tunnels in the yard.
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Recent Examples of tunnel
This state, then, has the potential to quantum tunnel into the true vacuum state, whereupon the laws of nature will abruptly change, including the fundamental constants that govern the Universe and allow structures, like atoms, to form.
—
Ethan Siegel, Big Think, 3 Oct. 2025
According to an investigative report compiled by the Middle East Forum, using on-the-ground sources embedded in Iranian military installations across Syria since 2018, Iran has not only constructed underground tunnels and weapons depots for its disposal.
—Caitlin McFall, FOXNews.com, 3 Oct. 2025
Over the course of the next six hours, teams stayed working in the narrow tunnel until all of the seven were removed.
—Helen Regan, CNN Money, 2 Oct. 2025
Next week at Tennessee, Petrino will lead Arkansas out of the tunnel for the first time since the 2012 Cotton Bowl against Kansas State.
—Stewart Mandel, New York Times, 2 Oct. 2025
See All Example Sentences for tunnel
Ethan Siegel, Big Think, 3 Oct. 2025
According to an investigative report compiled by the Middle East Forum, using on-the-ground sources embedded in Iranian military installations across Syria since 2018, Iran has not only constructed underground tunnels and weapons depots for its disposal.
—Caitlin McFall, FOXNews.com, 3 Oct. 2025
Over the course of the next six hours, teams stayed working in the narrow tunnel until all of the seven were removed.
—Helen Regan, CNN Money, 2 Oct. 2025
Next week at Tennessee, Petrino will lead Arkansas out of the tunnel for the first time since the 2012 Cotton Bowl against Kansas State.
—Stewart Mandel, New York Times, 2 Oct. 2025
See All Example Sentences for tunnel
Recent Examples of Synonyms for tunnel
Noun
-
The caves were rediscovered in 2014, but because of their proximity to Interstate 380, Iowa’s Department of Transportation elected to fill them in rather than mark them as a historical site.—
Scott Dochterman,
New York Times,
10 Oct. 2025
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The mummified remains were preserved exceptionally, thanks to the dry and cool conditions of the cave.—
Mrigakshi Dixit,
Interesting Engineering,
9 Oct. 2025
Noun
-
The four pumps are massive and stored in a large underground cavern at the Southport plant.—
Karl Schneider,
IndyStar,
9 Oct. 2025
-
Mysterious sounds are often heard in the cavern, which houses the largest flowstone formation in the state.—
Evie Carrick,
Travel + Leisure,
7 Oct. 2025
Noun
-
More than a dozen New Yorkers have been killed or badly injured in incidents related to subway surfing.—
Marni Rose McFall,
MSNBC Newsweek,
10 Oct. 2025
-
For their last session, Mamdani and the therapist rode the subway together.—
Eric Lach,
New Yorker,
9 Oct. 2025
Cite this Entry
“Tunnel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tunnel. Accessed 14 Oct. 2025.
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