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

Meanwhile, rescue efforts have increasingly focused on tunnels at several hydroelectric projects where workers are believed to be trapped. — ABC News, 3 Sep. 2026

Authorities said powerhouses of hydroelectric plants have spaces and rooms for people to stay and rescuers are trying to reach them and look for survivors, with at least 639 people still missing, including those believed to be trapped in tunnels. — Reuters, NBC news, 2 Sep. 2026

Smooth plaster tunnels extending from the gallery edges lead you, like portals to another world, to three respite-providing viewing points. — Los Angeles Times, 2 Sep. 2026

Among them are hundreds of workers believed to be stuck inside large underground tunnels connected to hydroelectric power plants. — Jackie Flynn Mogensen, Scientific American, 1 Sep. 2026

Its most prominent feature was the Rock, a small mountain honeycombed with thirty-four miles of tunnels that housed some sixteen thousand British servicemen as well as an American liaison office. — Literary Hub, 31 Aug. 2026

Rivaling modern sewers in size and complexity, this remarkable network of tunnels dates as far back as 500 BC, and parts are still in use today, draining runoff from the Forum in the heart of the city. — Andrew Coletti, Popular Science, 27 Aug. 2026

The tunnels that a mole creates also have another unintended consequence for your garden—other pests. — Alexandra Kelly, Martha Stewart, 26 Aug. 2026

The DuPage Water Commission and the Northwest Suburban Municipal Joint Action Water Agency are partnering to build a lake water intake, purification station and tunnels stretching across two counties. — Marni Pyke, Chicago Tribune, 25 Aug. 2026