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Underground
01
a city's railway system that is below the ground, usually in big cities
Dialect
British
British
Examples
The underground system in London is one of the oldest and most extensive in the world.
02
a group or organization that operates secretly to resist or overthrow a government or authority
Examples
The underground played a crucial role in organizing protests against the oppressive regime.
underground
01
situated, operating, or existing beneath the surface of the ground
Examples
The underground subway system provides efficient transportation in the city.
02
operating in secrecy, often involving activities that are illegal
Examples
The underground deal between the two companies violated international trade laws.
03
(of activities, creations, etc.) operating independently of or in opposition to mainstream culture or established systems
Examples
She enjoys exploring the underground music scene, where emerging artists perform in intimate venues.
underground
01
under the surface of the earth
Examples
The animals hibernate underground during the winter months.
02
in a secretive or concealed manner, often to avoid detection or operate covertly
Examples
The rebel leader operated underground for years to organize resistance.
Lexical Tree
underground
ground
