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underground
[uhn-der-ground, uhn-der-ground]
adverb
beneath the surface of the ground: ground.
traveling underground by subway.
in concealment or secrecy; not openly.
subversion carried on underground.
adjective
existing, situated, operating, or taking place beneath the surface of the ground. ground.
used, or for use, underground.
hidden or secret; not open.
underground political activities.
published or produced by political or social radicals or nonconformists.
an underground newspaper.
avant-garde; experimental.
an underground movie.
critical of or attacking the established society or system.
underground opinion.
of or for nonconformists; unusual.
an underground vegetarian restaurant.
noun
the place or region beneath the surface of the ground. ground.
an underground space or passage.
a secret organization fighting the established government or occupation forces.
He fought in the French underground during the Nazi occupation of France.
(often initial capital letter)a movement or group existing outside the establishment and usually reflecting unorthodox, avant-garde, or radical views.
Chiefly British.a subway system.
underground
adjective
occurring, situated, or used below ground level
an underground tunnel
an underground explosion
secret; hidden
underground activities
adverb
going below ground level
the tunnel led underground
into hiding or secrecy
the group was driven underground
noun
a space or region below ground level
a movement dedicated to overthrowing a government or occupation forces, as in the European countries occupied by the German army in World War II
( as modifier )
an underground group
US and Canadian equivalent: subway.an electric passenger railway operated in underground tunnels
(usually preceded by the)
any avant-garde, experimental, or subversive movement in popular art, films, music, etc
( as modifier )
the underground press
underground music
51Թ History and Origins
Origin of underground1
Example Sentences
The robot can inspect miles of pipes over a 30-day period and automatically report back issues from underground.
She accused the president of upending the lives of hard-working people and their families, sending people underground and fanning the flames of protest by deploying troops.
These munitions, known as "bunker busters", have been used by Israel in the past to target underground facilities in both Gaza and Lebanon.
Although having netted in underground car parks in Kuala Lumpur and been fascinated by the the size of Jonah Lomu's lunch, perhaps the tournament was approached in a more leisurely fashion.
Iran continued with some activities until 2009 - when Western powers revealed the construction of the Fordo underground enrichment facility - but after that there were "no credible indications" of weapons development, the agency concluded.
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