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miners who work all day underground
Many species of beetle live underground.
Left-wing activists were driven underground after the coup.
The police became suspicious and he had to go underground.
This is the British English definition of underground. View American English definition of underground.
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View the pronunciation for underground.
a game in which two teams of seven players take turns to chase and try to touch players on the opposing team
using sarcasm to upset someone or to show anger
a response to a scathing comment or unpleasant situation
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Definition of underground from the online English dictionary from Macmillan Publishers Limited.