underground

 

adverb

Pronunciation: /ʌndəˈgraʊnd/
  • beneath the surface of the ground: miners working underground
  • in or into secrecy or hiding, especially as a result of carrying out subversive political activities: many were forced to go underground by the government

adjective

Pronunciation: /ˈʌndəgraʊnd/
  • situated beneath the surface of the ground: an underground car park
  • relating to or denoting the secret activities of people working to subvert an established order: Czech underground literature
  • relating to or denoting a group or movement seeking to explore alternative forms of lifestyle or artistic expression; radical and experimental: the New York underground art scene

noun

Pronunciation: /ˈʌndəgraʊnd/
  • 1 (often the Underground) British an underground railway, especially the one in London: travel chaos on the Underground
  • 2a group or movement organized secretly to work against an existing regime: the French underground
  • a group or movement seeking to explore alternative forms of lifestyle or artistic expression: the late sixties underground

verb

[with object]
  • lay (cables) below ground level: sections of electricity line had been undergrounded (as noun undergrounding) the environment secretary ordered the undergrounding of cables