the underground
Definition of the underground
: a group of people who secretly work to oppose or overthrow a government
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Word by Word Definitions
undergroundplay
: beneath the surface of the earth
: in or into hiding or secret operation
: a subterranean space or channel
: an underground city railway system
: a movement or group organized in strict secrecy among citizens especially in an occupied country for maintaining communications, popular solidarity, and concerted resistive action pending liberation
: being, growing, operating, or situated below the surface of the ground
: conducted by secret means
: existing outside the establishment
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