Meaning & use
tunnel
An underground or underwater passage, especially one built for a road, railway, or pedestrians.
See it in a sentence
The train sped through a long tunnel carved beneath the mountain.
Workers spent years digging the tunnel that now connects the two cities.
A note on using this word
As a verb, "tunnel" means to dig a passage through or under something.
Words with a similar meaning
passageunderpass
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Another way to use it
2. verb
To dig a passage through or under something.
The prisoners tried to tunnel their way out beneath the outer wall.
Make it your own
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