underground

Definitions

General English

• adjective built under the ground
• noun a railway in a town, which runs under the ground

Construction

• Items or installations that are below grade or ground level.

Media Studies

• noun a movement or group that is separate from the prevailing social or artistic environment and often exerts a subversive influence

Military

• adjective constructed or designed to operate beneath the surface of the ground
• adjective relating to a group or movement which is working secretly against the established authority or an occupying power

Slang

• noun (belonging to) the ‘alternative society’ or counterculture, as opposed to bourgeois society. A term from the 1960s adopted from the wartime usage when applied to clandestine resistance movements. (The term ‘underground railroad’ was earlier used for the system of sympathizers/safe houses by which escaped slaves were taken from the southern states to the North before emancipation.).

Travel

• noun a railway system which runs in a tunnel under the ground

Nearby Definitions of “underground”

• undercut
• underemployment
• underfloor heating
• underflow
• undergo
• underground
• underground facilities
• underlay
• underline
• underload
• underloaded circuit

Contexts for “underground”

8 definitions in context
• General English
• Construction
• Media Studies
• Military
• Slang
• Travel