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

Wartime tunnels and bunkers Before 1965, Vịnh Mốc was a tranquil fishing village in central Vietnam, with a lush landscape of rice paddies, bamboo thickets and golden beaches. — Maureen O'Hare, CNN Money, 26 Sep. 2026

All flaggers are now required to reach their jobsites by hitching a ride on a nearby subway instead of walking through the tunnels, according to a service bulletin sent Monday to all subway staff and obtained by the Daily News. — Evan Simko-Bednarski, New York Daily News, 24 Sep. 2026

Dandekar says the constant blasting of mountains to build these projects, including for miles-long tunnels, has its own impact. — Mamita Bhandari, NPR, 23 Sep. 2026

Some mansions include private tunnels under A1A so residents can reach their docks without crossing the road. — Miami Herald, 22 Sep. 2026

Unlike the original Hyperloop idea, the Las Vegas system uses road vehicles to carry passengers through tunnels. — Atharva Gosavi, Interesting Engineering, 22 Sep. 2026

This is a system of deep tunnels and reservoirs that aim to reduce flooding and improve water quality. — Michelle Fox, CNBC, 22 Sep. 2026

Separately, bridges and tunnels also connect the pavilions above and underground. — Abhimanyu Ghoshal, New Atlas, 21 Sep. 2026

To follow Johnson’s formula, blend a few garlic cloves and chili peppers with water, strain the mixture, and then spray it directly into mole tunnels. — Nadia Hassani, The Spruce, 20 Sep. 2026