B2adjectiveurbansociety
US/ˌʌn.dərˈɡraʊnd/
UK/ˌʌn.dəˈɡraʊnd/
under the earth's surface; also secret and outside official control
In context
An underground river runs beneath the old town.
The band began as part of the underground music scene.
Police shut down an underground gambling ring last week.
Words that go with underground
adjective + noun
- underground tunnelAn underground tunnel links the two buildings.
- underground riverThe cave has an underground river.
- underground waterFarmers depend on underground water in the dry season.
- underground movementHe joined the underground movement during the war.
- underground networkAn underground network helped people escape.
- underground bunkerThe leaders hid in an underground bunker.
- underground sceneThe underground scene in this city is full of new bands.