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
But the dig also revealed a hidden tunnel in the palace wall.
—
Aspen Pflughoeft
july 9, Miami Herald, 9 July 2025
However, how the robot coyotes will take on robot roadrunners has yet to be determined, since that will require advanced capabilities to use catapults, giant magnets, rocket packs, high explosives, and painting realistic tunnels on rock faces.
—New Atlas, 9 July 2025
The current plan calls for digging a massive tunnel from East San Jose’s Berryessa BART station to Diridon Station — an effort projected to take more than a decade and, if history is any guide, likely to suffer from major cost overruns.
—Rob Means, Mercury News, 5 July 2025
Period posters still adorn the walls, and rusting signage leads to tunnels that haven’t seen commuters in decades.
—Joseph V Micallef, Forbes.com, 28 June 2025
See All Example Sentences for tunnel
Aspen Pflughoeft
july 9, Miami Herald, 9 July 2025
However, how the robot coyotes will take on robot roadrunners has yet to be determined, since that will require advanced capabilities to use catapults, giant magnets, rocket packs, high explosives, and painting realistic tunnels on rock faces.
—New Atlas, 9 July 2025
The current plan calls for digging a massive tunnel from East San Jose’s Berryessa BART station to Diridon Station — an effort projected to take more than a decade and, if history is any guide, likely to suffer from major cost overruns.
—Rob Means, Mercury News, 5 July 2025
Period posters still adorn the walls, and rusting signage leads to tunnels that haven’t seen commuters in decades.
—Joseph V Micallef, Forbes.com, 28 June 2025
See All Example Sentences for tunnel
Recent Examples of Synonyms for tunnel
Noun
-
Politicians and observers gathered for the ceremony held in the ancient cave of Casene near the town of Sulaymaniyah, where about 30 men and women from the militant group placed their weapons in a large cauldron that was later set on fire.—
Gul Tuysuz,
CNN Money,
11 July 2025
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In The Rescue, Thai cave divers were spotlighted over the Indigenous local volunteers who led much of the initial effort.—
Time,
Time,
9 July 2025
Noun
-
Guest can discover the history and science of America’s natural caverns through educational and informative exhibits.—
Maggie Menderski,
The Courier-Journal,
2 July 2025
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During spring migration, recently hatched and newly mature moths move from the breeding grounds they were born in, to the distant, unfamiliar caverns.—
Lauren Leffer,
Popular Science,
18 June 2025
Noun
-
His platform also includes implementing a Department of Community Safety with outreach workers in subway stations, contrasting with Democratic Governor Kathy Hochul's police partnership.—
Adeola Adeosun,
MSNBC Newsweek,
8 July 2025
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Expansive museums, peaceful parks, a robust subway system, and a world-famous culinary scene: Tokyo truly has it all.—
John Wogan,
Travel + Leisure,
8 July 2025
Cite this Entry
“Tunnel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tunnel. Accessed 16 Jul. 2025.
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