a movement dedicated to overthrowing a government or occupation forces, as in the European countries occupied by the German army in World War II
b.
(as modifier)
an underground group
7. the underground
8. (usually preceded by the)
a.
any avant-garde, experimental, or subversive movement in popular art, films, music, etc
b.
(as modifier)
the underground press
underground music
belowground in American English
(bɪˈlouˌɡraund)
adjective
1.
situated beneath the surface of the earth; subterranean
2. (usually used predicatively)
no longer living; buried, as in a cemetery
All those who might have known about the incident are now belowground
Word origin
[1955–60; below + ground1]This word is first recorded in the period 1955–60. Other words that entered Englishat around the same time include: backgrounder, new wave, rite of passage, rollout, software
Examples of 'belowground' in a sentence
belowground
It can nowsupply 150 metre high cranes and machines that bore 70 metres belowground.