Synonyms of tunnels

tunnels

noun

plural of tunnel

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

• caves
• caverns
• subways
• grottoes
• pits
• galleries
• holes
• mines
• chasms
• abysses
• excavations
• hollows
• bunkers
• crawlways
• wells
• shafts
• grots
• burrows
• antres
• delves
• shelters
• foxholes
• dugouts
• dens
• gulfs
• lairs
• coverts
• lodges

Example Sentences

Recent Examples of tunnels

Project Iceworm envisioned constructing thousands of kilometers of tunnels beneath Greenland’s ice sheet to secretly deploy hundreds of nuclear missiles capable of surviving a Soviet first strike. — Kaif Shaikh, Interesting Engineering, 6 Aug. 2026

Look for tunnels, mounds, runways, and feeding damage, and consider whether your plants or soil are bearing the brunt of the problem. — Jessica Safavimehr, Southern Living, 5 Aug. 2026

In other subterranean tunnels—storm drains, really—humans were living. — Paige Williams, New Yorker, 3 Aug. 2026

Trump’s 20-point ceasefire plan calls on the militant group to surrender its weapons and destroy its vast network of tunnels. — ABC News, 2 Aug. 2026

Then, there would be a decommissioning process for heavy weapons, depots and tunnels once it is confirmed that the parties are upholding their commitments. — Emma Nicholson, CBS News, 31 July 2026

The plan includes the elimination of tunnels, arms stockpiles and weapons production facilities, the diplomat said, adding that by the end of the process there would be no remaining militant infrastructure in Gaza. — Reuters, NBC news, 31 July 2026

The agreement envisions international forces, a technocratic Palestinian committee and years of decommissioning Hamas arsenals and tunnels, while Gaza’s shattered infrastructure and staggering civilian toll underscore the scale of rebuilding ahead. — Samy Magdy, Los Angeles Times, 31 July 2026

The Boring Company specializes in building underground tunnels for quicker transportation—more specifically for Teslas—that already exist in places like Las Vegas. — Zoya Hasan, Forbes.com, 31 July 2026