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

Without adequate reinforcement, shifting ground can cause tunnels to collapse suddenly, burying miners within seconds. — ABC News, 20 Aug. 2026

Authorities open a criminal investigation into the collapse of multiple tunnels at the Zamboye site, as workers describe chaotic, dangerous rescue efforts and Red Cross teams warn the toll will rise. — Jean Fernand Koena, Los Angeles Times, 20 Aug. 2026

Richet turns the ship into an enthralling character, with its pipes and catwalks and tunnels and tubes, some of which become weaponry. — Owen Gleiberman, Variety, 19 Aug. 2026

When cellular connectivity becomes unreliable inside buildings, tunnels or underground spaces, robots can establish a self-organizing mesh network to maintain links between field units and command teams. — Jijo Malayil, Interesting Engineering, 17 Aug. 2026

To keep everyone safe, designers Frederick Law Olmsted and Calvert Vaux built a system of tunnels, arches and bridges that let the paths cross without crashes. — Voice Of The People, New York Daily News, 16 Aug. 2026

Gaasterland said in her candidate statement that her top priorities include utility undergrounding, local control of land use decisions, and removing the train tracks from the bluffs while avoiding a new route that tunnels under Del Mar homes. — Luke Harold, San Diego Union-Tribune, 16 Aug. 2026

In short, Hamas deliberately used tunnels beneath populated cities, including civilian hospitals and schools, in an effort to give Israel the Hobson’s choice of surrender or causing civilian deaths. — Daniel Kolkey, Oc Register, 16 Aug. 2026

As its name suggests, the beetle bores into trees, drilling tunnels to create breeding galleries. — Jack Bantock, CNN Money, 13 Aug. 2026