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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Example Sentences
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Recent Examples of tunnel
During this exercise, about 300 soldiers and role players portraying wounded troops ran through different evacuation and medical drills, with soldiers rushing the wounded from a helicopter to a military medical vehicle and then into the tunnels.
—
Chelsea Torres, FOXNews.com, 2 Apr. 2026
Adult carrot flies lay their eggs near carrots, and when those eggs hatch, the larvae burrow into the soil and chew holes and tunnels in the carrot roots.
—Lauren Landers, Better Homes & Gardens, 2 Apr. 2026
OneLove Cafe and Bike Shop is conveniently located around the fourth mile marker, so pedal northwest for a scenic ride through the green tunnel of tree canopy along Raccoon Creek, catching glimpses of central Ohio farmland along the way.
—Midwest Living, 1 Apr. 2026
See the colossal sea cliffs of Kitayamazaki Cape, trek through tunnels carved into coastlines, and enjoy some culture along the way, with stops in seaside villages or visits to landmarks like the Iwate Tsunami Memorial Museum.
—Zoe Baillargeon, Travel + Leisure, 1 Apr. 2026
See All Example Sentences for tunnel
Chelsea Torres, FOXNews.com, 2 Apr. 2026
Adult carrot flies lay their eggs near carrots, and when those eggs hatch, the larvae burrow into the soil and chew holes and tunnels in the carrot roots.
—Lauren Landers, Better Homes & Gardens, 2 Apr. 2026
OneLove Cafe and Bike Shop is conveniently located around the fourth mile marker, so pedal northwest for a scenic ride through the green tunnel of tree canopy along Raccoon Creek, catching glimpses of central Ohio farmland along the way.
—Midwest Living, 1 Apr. 2026
See the colossal sea cliffs of Kitayamazaki Cape, trek through tunnels carved into coastlines, and enjoy some culture along the way, with stops in seaside villages or visits to landmarks like the Iwate Tsunami Memorial Museum.
—Zoe Baillargeon, Travel + Leisure, 1 Apr. 2026
See All Example Sentences for tunnel
Recent Examples of Synonyms for tunnel
Noun
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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
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Decades of static storage lead to the unavoidable accumulation of heavy waxes, dense inorganic sediments, and highly corrosive hydrogen sulfide produced by sulfate-reducing bacteria — turning the bottom of the cavern into a chemical nightmare.—
Siddharth Misra,
Fortune,
28 Mar. 2026
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Few caverns possess the same cache of fossils as Bender’s Cave, however.—
Andrew Paul,
Popular Science,
26 Mar. 2026
Noun
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Desensitize to loud or unusual noises—play recordings of transit sounds—such as subway announcements or car horns—while offering treats to create positive associations.—
Lucy Notarantonio,
MSNBC Newsweek,
1 Apr. 2026
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The Council is proposing expanding the benefit to cover the entirety of a subway or local bus fare for those eligible, effectively making transit free for New Yorkers below the threshold, a move that echoes calls from transit advocates.—
Evan Simko-Bednarski,
New York Daily News,
1 Apr. 2026
Cite this Entry
“Tunnel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tunnel. Accessed 4 Apr. 2026.
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