underground

Definitions

1. Regions beneath the surface of the earth, both natural (eg. caves) and man-made (eg. mines).
2. The London Underground.
   UK
3. Synonym of subway: a railway that is under the ground.
   British
4. A movement or organisation of people who resist political convention.
   with-definite-article
5. A movement or organisation of people who resist artistic convention.
   with-definite-article

Equivalents

Examples

“London Underground”

“the French underground during World War II”

“Victor, please⟳, don't go to the underground meeting tonight.”

“Although some of the stations on ' The Branch ' have⟳ not, as yet, suffered any considerable structural alterations, all are now equipped with the familiar Underground type⟳ name⟳ boards, and as a result⟳ the imposing titles of G.N. days have⟳ been ruthlessly curtailed.”

“Heathrow has a 28% share⟳ of passengers arriving by rail, two-thirds of whom come⟳ by the Underground.”

CEFR level