- 1
Below the ground; below the surface of the Earth.not-comparable
- There is an underground tunnel that takes you across the river.
- 2
Hidden, furtive, secretive.figuratively
- These criminals operate through an underground network.
- 3
Of or relating to an art forms (such as music) or subculture that is outside the mainstream, especially one that is unofficial and hidden from the authorities.figuratively
- underground music
underground
'ʌndәgraund16 senses · 439 ms
Level B2高考IELTSTOEFL中考Oxford 3000
- 1
Below the ground.
- The tunnel goes underground at this point.
- 2
Secretly.
- 1
The regions beneath the surface of the earth, both natural (eg. caves) and man-made (eg. mines).
- 2
Synonym of subway: a railway that is under the ground.UK
- London Underground
- 3
A movement or organization of people who resist political convention.with-definite-article
- the French underground during World War II
- 4
A movement or organization of people who resist artistic convention.with-definite-article
- 1
To route electricity distribution cables underground.
- One is to underground where no other alternative will work, and this method should be used universally in urban regions as it now is in “downtown” sections.
- The utility now wants the network to be undergrounded in the urban areas, which would mean substations with 33 kV distribution swtichgear.
- 1
simple past and past participle of undergrindform-ofparticiplepast