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.
Related Words
Relevance
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of tunnels
The 11 dogs saved from the residence, including Pomeranians and Chihuahuas, had formed tunnels underneath the debris to move throughout the apartment, the release stated.
—
Rachel Raposas, PEOPLE, 7 Oct. 2025
The next generation emerges in late summer and overwinters in the old tunnels.
—Arricca Elin Sansone, Southern Living, 6 Oct. 2025
Specifically, they have been designed to explore lava tubes or underground tunnels formed by ancient volcanic activity that may exist on the moon.
—Christopher McFadden, Interesting Engineering, 5 Oct. 2025
According to an investigative report compiled by the Middle East Forum, using on-the-ground sources embedded in Iranian military installations across Syria since 2018, Iran has not only constructed underground tunnels and weapons depots for its disposal.
—Caitlin McFall, FOXNews.com, 3 Oct. 2025
Congress’ tunnels were as buzzy as always, even if House Republicans were nowhere to be seen.
—Philip Elliott, Time, 1 Oct. 2025
Try season-extending methods such as row tunnels and cold frames for fall garden crops.
—Andy Wilcox, Better Homes & Gardens, 30 Sep. 2025
State leaders provided a lot in downtown Nashville to begin construction staging for the Loop, two one-way tunnels carrying passengers in Tesla sedans.
—Hadley Hitson, Nashville Tennessean, 29 Sep. 2025
There also are safety concerns due to fears that 19th-century mining tunnels near the summit could collapse.
—John Meyer, Denver Post, 23 Sep. 2025
Rachel Raposas, PEOPLE, 7 Oct. 2025
The next generation emerges in late summer and overwinters in the old tunnels.
—Arricca Elin Sansone, Southern Living, 6 Oct. 2025
Specifically, they have been designed to explore lava tubes or underground tunnels formed by ancient volcanic activity that may exist on the moon.
—Christopher McFadden, Interesting Engineering, 5 Oct. 2025
According to an investigative report compiled by the Middle East Forum, using on-the-ground sources embedded in Iranian military installations across Syria since 2018, Iran has not only constructed underground tunnels and weapons depots for its disposal.
—Caitlin McFall, FOXNews.com, 3 Oct. 2025
Congress’ tunnels were as buzzy as always, even if House Republicans were nowhere to be seen.
—Philip Elliott, Time, 1 Oct. 2025
Try season-extending methods such as row tunnels and cold frames for fall garden crops.
—Andy Wilcox, Better Homes & Gardens, 30 Sep. 2025
State leaders provided a lot in downtown Nashville to begin construction staging for the Loop, two one-way tunnels carrying passengers in Tesla sedans.
—Hadley Hitson, Nashville Tennessean, 29 Sep. 2025
There also are safety concerns due to fears that 19th-century mining tunnels near the summit could collapse.
—John Meyer, Denver Post, 23 Sep. 2025
Recent Examples of Synonyms for tunnels
Noun
-
Beijing’s interest in lunar caves stems from their natural advantages for long-term operations.—
Christopher McFadden,
Interesting Engineering,
5 Oct. 2025
-
Vance was asked about the timing and whether the strategy is to squeeze New York until Schumer caves.—
Sarah D. Wire,
USA Today,
3 Oct. 2025
Noun
-
With a cool, constant temperature of 54 degrees, the caverns are a perfect year-round adventure.—
Erin Gifford,
Southern Living,
3 Oct. 2025
-
Beautiful caverns adorned with foliage and flowers are frequently sandwiched between dungeons filled with cages and cold steel.—
Christopher Cruz,
Rolling Stone,
19 Sep. 2025
Cite this Entry
“Tunnels.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tunnels. Accessed 8 Oct. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share