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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Steel support pillars driven into the caves have caused rust and iron pollution in the water.—
Ryan Brennan
April 4,
Miami Herald,
4 Apr. 2026
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Mexico’s Underwater Caves Yield Glimpse Into the Past The remains were found 26 feet (8 meters) below the surface, roughly 656 feet (200 meters) into the cave.—
Ryan Brennan
April 4,
Kansas City Star,
4 Apr. 2026
Noun
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Be sure to visit one of the former tufa quarries, with their impressively huge caverns.—
Elizabeth Heath,
Travel + Leisure,
31 Mar. 2026
-
Its caverns reach higher than 65 stories and stretch as wide as one and a half football fields — large enough to contain the Great Pyramid of Giza.—
Brit McCandless Farmer,
CBS News,
29 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 6 Apr. 2026.
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