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

Spanning 290 miles between Bergen and Oslo in Norway, the railway, built in 1909, travels through 182 tunnels and provides breathtaking views ranging from calm Fjords in the mountains to snowy vistas in Finse. — Rachel Labonte, Entertainment Weekly, 29 Oct. 2026

But the Green Man of legend – a glowing, threatening figure with supernatural powers who supposedly lived in a tunnel – was not. — Jeffrey Tolbert, The Conversation, 28 Oct. 2026

That trickled into the tunnels at Lincoln Financial Field after the clock hit all zeroes and into the Cowboys’ locker room, where there was screaming and loud music playing on a speaker as soon as the game ended. — Nick Harris, Fort Worth Star-Telegram, 27 Oct. 2026

Beanie took them in her mouth and carried them one by one up the ramp to where Lyndon Johnson crouched in a tunnel. — Madeline Ffitch, Harpers Magazine, 27 Oct. 2026