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
Pets, livestock, and freight regularly travel through the tunnel.
—
Encyclopedia Britannica, 30 Apr. 2026
While Breer’s team was quietly refining its design through painstaking engineering and wind-tunnel trials, another man was moving even faster.
—Bill Gourgey, Popular Science, 29 Apr. 2026
After all, there is always light at the end of the proverbial tunnel.
—Ed Silverman, STAT, 29 Apr. 2026
The military also shared video purporting to show the insides of the tunnels.
—Mustafa Qadri, CNN Money, 28 Apr. 2026
See All Example Sentences for tunnel
Encyclopedia Britannica, 30 Apr. 2026
While Breer’s team was quietly refining its design through painstaking engineering and wind-tunnel trials, another man was moving even faster.
—Bill Gourgey, Popular Science, 29 Apr. 2026
After all, there is always light at the end of the proverbial tunnel.
—Ed Silverman, STAT, 29 Apr. 2026
The military also shared video purporting to show the insides of the tunnels.
—Mustafa Qadri, CNN Money, 28 Apr. 2026
See All Example Sentences for tunnel
Recent Examples of Synonyms for tunnel
Noun
-
Nearly all the instructions were relayed electronically from the director’s cave and translated by a bilingual assistant director.—
Chang Che,
New Yorker,
25 Apr. 2026
-
Emma does have some great activities planned with one bus going to make (bleck) cheese and another to go exploring caves.—
Brian Moylan,
Vulture,
24 Apr. 2026
Noun
-
The gap between what Greg and I did—and, more importantly, thought about—became a gigantic infuriating cavern for me.—
Literary Hub,
Literary Hub,
15 Apr. 2026
-
Hard-core adventurers can opt for the Wild Cave Tour, a four-hour exploration that takes you a mile deeper into the bowels of the caverns.—
Kristy Tolley,
Travel + Leisure,
14 Apr. 2026
Noun
-
The style is efficient, comfortable, and offers instant peace of mind in crowded markets, packed subway cars, and busy plazas.—
Rosie Marder,
Travel + Leisure,
29 Apr. 2026
-
On Singapore’s subway, called the MRT, announcements are sometimes made in as many as four languages; on Hong Kong’s subway, called the MTR, announcements are made in three.—
Literary Hub,
Literary Hub,
29 Apr. 2026
Cite this Entry
“Tunnel.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tunnel. Accessed 2 May. 2026.
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