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- Dictionaryun·der·ground
adverb
- 1. beneath the surface of the ground: "miners working underground" Similar
adjective
- 1. situated beneath the surface of the ground: "underground parking garages" Similar Opposite
noun
- 1. a group or movement organized secretly to work against an existing regime: "I got involved with the French underground" Similar
- 2. a group or movement seeking to explore alternative forms of lifestyle or artistic expression: "the late-sixties underground"
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UNDERGROUND definition: 1. below the surface of the earth; below ground: 2. An underground activity is secret and usually…. Learn more.
The meaning of UNDERGROUND is beneath the surface of the earth. How to use underground in a sentence.
UNDERGROUND meaning: 1. below the surface of the earth; below ground: 2. An underground activity is secret and usually…. Learn more.
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.
1. occurring, situated, or used below ground level: an underground tunnel; an underground explosion. 2. secret; hidden: underground activities. adv. 3. going below ground level: the tunnel led underground.
/ˌʌndərˈɡraʊnd/ [only before noun] under the surface of the ground. an underground bunker/tunnel. underground parking. an underground car park. underground passages/caves/streams. underground cables. They carried out a series of underground nuclear tests. compare overground. Definitions on the go.
In a country which is controlled by an enemy or has a harsh government, the underground is an organized group of people who are involved in illegal activities against the people in power. These U.S. dollars were smuggled into the country during the war, to aid the underground. 4.adjective [ADJECTIVE noun]
secret or hidden; not openly practiced or engaged in or shown or avowed. noun. an electric railway operating below the surface of the ground (usually in a city) synonyms: metro, subway, subway system, tube. see more. noun. a secret group organized to overthrow a government or occupation force. synonyms: resistance. see more. Cite this entry. Style:
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.
Being below the surface of the ground: as, an underground story or apartment. noun That which is beneath the surface of the ground. To place or lay underground, as an electric wire.
