as in caves
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 tunnels
In the tunnels beneath the stadium afterward, midfielder Jekob Jeno is one of the last out of the locker room.
—
Franklin Leonard, Vanity Fair, 14 May 2026
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
During the journey, passengers pass waterfalls, rivers, and steep valleys, crossing over 41 bridges and through 13 tunnels.
—Taryn White, Travel + Leisure, 11 May 2026
As the physical tunnels of the regime are unearthed and destroyed, the West must refuse to build new diplomatic ones.
—Liram Koblentz-Stenzler, Chicago Tribune, 11 May 2026
The tapping may provide information about structural discontinuities, density changes or the presence of tunnels themselves, even when those tunnels are no longer empty.
—Scott Travers, Forbes.com, 10 May 2026
But eventually there is light at the end of these tunnels.
—Letters To The Editor, The Orlando Sentinel, 10 May 2026
Once new tunnels are completed and the old tunnel repaired, trans-Hudson capacity has the potential to double.
—Tom Wright, New York Daily News, 8 May 2026
In some cases, procedural or surgical interventions may be necessary to address persistent tunnels or scarring.
—Lauryn Higgins, Flow Space, 6 May 2026
Franklin Leonard, Vanity Fair, 14 May 2026
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
During the journey, passengers pass waterfalls, rivers, and steep valleys, crossing over 41 bridges and through 13 tunnels.
—Taryn White, Travel + Leisure, 11 May 2026
As the physical tunnels of the regime are unearthed and destroyed, the West must refuse to build new diplomatic ones.
—Liram Koblentz-Stenzler, Chicago Tribune, 11 May 2026
The tapping may provide information about structural discontinuities, density changes or the presence of tunnels themselves, even when those tunnels are no longer empty.
—Scott Travers, Forbes.com, 10 May 2026
But eventually there is light at the end of these tunnels.
—Letters To The Editor, The Orlando Sentinel, 10 May 2026
Once new tunnels are completed and the old tunnel repaired, trans-Hudson capacity has the potential to double.
—Tom Wright, New York Daily News, 8 May 2026
In some cases, procedural or surgical interventions may be necessary to address persistent tunnels or scarring.
—Lauryn Higgins, Flow Space, 6 May 2026
Recent Examples of Synonyms for tunnels
Noun
-
Unpredictable strong currents, narrow passageways in the caves and pitch-black darkness made the operation extremely challenging, Shareef said.—
Lex Harvey,
CNN Money,
20 May 2026
-
Earth from caves, including geological moonmilks, helped fashion the creation.—
Jennifer Weil,
Footwear News,
20 May 2026
Noun
-
The garter snakes survive Manitoba's severe winters by hibernating in a network of limestone crevasses and caverns below the frost line.—
Kelli Bender,
PEOPLE,
14 May 2026
-
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
Cite this Entry
“Tunnels.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tunnels. Accessed 23 May. 2026.
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