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underground

/ˈʌndərˌɡraʊnd/ adverb A2 Neutral

Meaning

Below the surface of the ground.
💡 "Underground" describes something that is below the ground.

Example Sentences

I take the bus underground to go to work .
The train goes underground when it reaches the city center .
We traveled underground to reach the city center quickly .

Word in Context

Yesterday Tom walked in the park and looked at the grass . He saw a small hole and a rabbit went underground . He waited and watched the rabbit's head come out a little later . Then he smiled and continued his walk .

Common Phrases

underground train underground tunnel

Synonyms

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