Synonyms of tunnel

tunnel

noun

as in cave

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

• cave
• cavern
• subway
• pit
• grotto
• crawlway
• gallery
• hole
• chasm
• excavation
• abyss
• hollow
• shaft
• mine
• bunker
• antre
• grot
• well
• delve
• burrow
• gulf
• shelter
• dugout
• foxhole
• den
• lair
• lodge
• covert

Example Sentences

Recent Examples of tunnel

Giants manager Tony Vitello went another way, shuffling a few papers before heading up the tunnel to the home clubhouse. — Andrew Baggarly, New York Times, 27 July 2026

Immature and adult mole crickets burrow, consume roots, and make tunnels in your lawn grass. — Samantha Johnson, Martha Stewart, 26 July 2026

The six-story addition, the biggest expansion in the hotel’s 130-year history, is located across the street and is linked by an underground tunnel that feels as sleek as a billionaire’s bunker. — Denny Lee, Travel + Leisure, 26 July 2026

Cubital tunnel syndrome occurs when the ulnar nerve, which passes through a tunnel on the inside of the elbow, becomes inflamed, swollen and irritated, Johns Hopkins explains. — Samantha Agate, Charlotte Observer, 25 July 2026