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
Trump also brushed aside concerns voiced by nuclear officials and experts over whether Iran was able to move its nuclear equipment beforehand and what happened to the enriched uranium stored in tunnels deep underground.
—
Tom Vanden Brook, USA Today, 26 June 2025
Miami Freedom Park will offer the fancy amenities and lounges found at other top MLS stadiums, including a tunnel club with glass windows where fans can see the players enter and exit the field.
—Michelle Kaufman, Miami Herald, 25 June 2025
Grossi confirmed that Natanz and Isfahan were hit and that the entrances to tunnels used to store enriched material appeared to have been hit.
—Gordon Lubold, NBC news, 24 June 2025
Stone tunnels run underneath the city, which brims with theaters, performing arts centers, and lush garden squares.
—Rebecca Grant
june 24, Literary Hub, 24 June 2025
See All Example Sentences for tunnel
Tom Vanden Brook, USA Today, 26 June 2025
Miami Freedom Park will offer the fancy amenities and lounges found at other top MLS stadiums, including a tunnel club with glass windows where fans can see the players enter and exit the field.
—Michelle Kaufman, Miami Herald, 25 June 2025
Grossi confirmed that Natanz and Isfahan were hit and that the entrances to tunnels used to store enriched material appeared to have been hit.
—Gordon Lubold, NBC news, 24 June 2025
Stone tunnels run underneath the city, which brims with theaters, performing arts centers, and lush garden squares.
—Rebecca Grant
june 24, Literary Hub, 24 June 2025
See All Example Sentences for tunnel
Recent Examples of Synonyms for tunnel
Noun
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It is said to have begun in the sixth century, when pilgrimages in honor of Haro’s patron saint, San Felice, were made to the caves where he was buried.—
Isabelle Rodney,
CNN Money,
29 June 2025
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Dug initially for chalk and flint, the caves were later used for a variety of purposes, including a World War II air-raid shelter that housed thousands of Londoners.—
Joseph V Micallef,
Forbes.com,
28 June 2025
Noun
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If, as Israel maintains, Iran’s nuclear program has a hidden element, then surely that would not be housed in the same places where UN inspectors roam, and in the case of Fordow, over which there has been a public discussion for days of what American bombs might penetrate its deep caverns.—
Nick Paton Walsh,
CNN Money,
22 June 2025
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An equally short walk away were the caverns with underground springs for adventurous bathers.—
Jane Arraf,
NPR,
11 June 2025
Noun
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After the ceremony, the newlyweds wandered through New York, their first moments as a married couple captured on the subway and in the rain on the streets that Mamdani could be Mayor of in just a few months' time.—
Callum Sutherland,
Time,
26 June 2025
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Its small, rounded tip allows for targeted and precise application, even on the subway or in an Uber.—
Jennifer Hussein,
Allure,
26 June 2025
Cite this Entry
“Tunnel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tunnel. Accessed 5 Jul. 2025.
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