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
Things reportedly spiral after a strange signal hidden beneath the city’s subway tunnels begins mutating the station’s broadcasts — and possibly its listeners.
—
Spin Staff, SPIN, 14 May 2026
While the swimming hole is located within a 55-foot-tall limestone rock formation, the resort has created a tunnel that carves through the rock at ground level, giving you easy access to its waters.
—Talia Avakian, Travel + Leisure, 14 May 2026
That's about 30 feet of tunnel a day.
—ABC News, 13 May 2026
In this tunnel’s end, there’s no light.
—Will Swaim, Oc Register, 13 May 2026
See All Example Sentences for tunnel
Spin Staff, SPIN, 14 May 2026
While the swimming hole is located within a 55-foot-tall limestone rock formation, the resort has created a tunnel that carves through the rock at ground level, giving you easy access to its waters.
—Talia Avakian, Travel + Leisure, 14 May 2026
That's about 30 feet of tunnel a day.
—ABC News, 13 May 2026
In this tunnel’s end, there’s no light.
—Will Swaim, Oc Register, 13 May 2026
See All Example Sentences for tunnel
Recent Examples of Synonyms for tunnel
Noun
-
Rent one from Sea Panarea to discover hidden coves, sea caves, and the nearby islets of Basiluzzo and Lisca before settling in for sunset Negronis at the see-and-be-seen Bar del Porto.—
Nicky Swallow,
Travel + Leisure,
17 May 2026
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Balance out from all the casino hype with an indulgent treatment or power nap in the salt cave.—
Condé Nast,
Condé Nast Traveler,
16 May 2026
Noun
-
They’re designed to be that way and will probably continue to function as sonic caverns so long as current aesthetics are in fashion.—
Allyson Reedy,
Denver Post,
13 May 2026
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By the fall of 2024, the cavern's pool contained 212 fish.—
Nell Greenfieldboyce,
NPR,
7 May 2026
Noun
-
Sources tell the News that Monday’s incident — in which the switch was unbolted from the train and cut out of the wiring harness by a male youth — effectively disabled the door circuits aboard that subway car, leaving the conductor unable to close the doors.—
Evan Simko-Bednarski,
New York Daily News,
14 May 2026
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The station’s broadcast becomes warped by a mysterious signal hidden deep beneath the city’s subway system.—
Andreas Wiseman,
Deadline,
13 May 2026
Cite this Entry
“Tunnel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tunnel. Accessed 18 May. 2026.
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