underground
323
3.0
- adjective
- /ˈʌndərˌɡraʊnd/
- The rest of his family sought shelter underground in their home's basement.
- deep underground
- buried underground
- underground tunnel
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Watch on YouTubeWell, Speaking of tunnels underground, that's an incredible segue.
- Well, Speaking of tunnels underground, that's an incredible segue.
- Huge, huge stone walls and underground barracks or dungeons.
- They have been, they have been in a prison underground their entire life since birth.
- They walk underground in a cave for hours and hours and hours.
- And the sub underground mammals are ones that lived, you know?
Examples
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During our expedition, we discovered a hidden underground chamber filled with ancient artifacts.
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But I think the underground level of it is still there.
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Imagine an entire underground mine filled with these things.
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A train got trapped underground with him inside.
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This is the Sanford Underground Research Facility, the deepest underground lab in the United States.
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The city has an extensive network of underground tunnels that connect various buildings.
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He prefers to keep his garden underground where it stays cooler during the summer.
Synonyms
25
7.4
Under the earth's surface
10
6.3
Under the ground or below the top layer of a place
6
4.0
Under another thing, often below the surface
1
4.3
Under the ground surface
1
9.6
Found under the ground and out of sight
1
8.8
Existing under the surface of the earth, like pipes or caves
Living under the ground, for example fungi and seeds
Compounds
10
4.1
Secret network that helped enslaved people escape to free states and Canada
2
7.5
A group of musicians and artists who work outside the mainstream, often in secret
1
6.4
A secret U.S. network that helped enslaved people escape to free states or Canada before the Civil War
How Deep
Surface Forms
Morphology
Etymology
Underground is made of under ('below') and ground ('the earth'), so it literally means 'below the surface' and is used for things like tunnels, pipes, or cellars under the ground.