The definition :
Definitions of underground:
- noun: a secret group organized to overthrow a government or occupation force
- noun: electric underground railway
- adjective: conducted with or marked by hidden aims or methods
Example: "Underground resistance"
- adjective: under the level of the ground
Example: "Underground caverns"
- adjective: used of independent armed resistance forces
- adverb: beneath the surface of the earth
Example: "Water flowing underground"
- adverb: in or into hiding or secret operation
Example: "The organization was driven underground"
Are you interested in alternative search :
:belowground clandestine cloak and dagger covert guerilla guerrilla hole and corner hugger mugger hush hush irregular metro on the quiet partisan partizan resistance secret subsurface subway surreptitious tube undercover railroad railroad line railway railway line
If you like reading news check: