from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Situated, occurring, or operating below the surface of the earth: underground caverns; underground missile sites.
- adj. Hidden or concealed; clandestine: underground resistance to the tyrant.
- adj. Of or relating to an organization involved in secret or illegal activity: underground trade in weapons.
- adj. Of or relating to an avant-garde movement or its films, publications, and art, usually privately produced and of special appeal and often concerned with social or artistic experiment.
- n. A clandestine, often nationalist, organization fostering or planning hostile activities against, or the overthrow of, a government in power, such as an occupying military government: "an underground of dissident intellectuals” ( Kenneth L. Woodward).
- n. Chiefly British A subway system.
- n. An avant-garde movement or publication.
- adv. Below the surface of the earth.
- adv. In secret; stealthily.
- transitive v. To situate under the ground: workers undergrounding telephone lines.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Below the ground; below the surface of the Earth.
- adj. Hidden, furtive, secretive.
- adj. Of music, art, etc, outside the mainstream.
- adv. Below the ground.
- adv. Secretly.
- n. An underground railway.
- n. A movement or organisation of people who resist political convention.
- n. A movement or organisation of people who resist artistic convention.
- v. To route electricity distribution cables underground
from the GNU version of the Collaborative International Dictionary of English
- adj. Being below the surface of the ground.
- adj. Done or occurring out of sight; secret.
- adv. Beneath the surface of the earth.
- n. The place or space beneath the surface of the ground; subterranean space.
- n. a subway or subway system, especially in the United Kingdom.
- n. a secret organization opposed to the prevailing government.
- n. a group or movement holding unorthodox views in an environment where conventional ideas dominate, as in artistic circles.
- prep. below the surface of the ground.
from The Century Dictionary and Cyclopedia
- Beneath the surface of the earth: as, to sink underground.
- Being below the surface of the ground: as, an underground story or apartment.
- n. That which is beneath the surface of the ground.
- To place or lay underground, as an electric wire.
- n. An underground passage.
- n. A contraction of underground railway.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. conducted with or marked by hidden aims or methods
- adv. in or into hiding or secret operation
- adv. beneath the surface of the earth
- adj. under the level of the ground
- n. an electric railway operating below the surface of the ground (usually in a city)
- n. a secret group organized to overthrow a government or occupation force
The term underground was used as symbolical of the secret manner in which our friends had to work in order to help us.
His 1957 essay “Underground films: a bit of male truth” coined the term underground film.
And about the underground religion, my understanding is that, well, those people who were going what we call underground or having covered religious activities because of the fear of being some negative effects on them -- I don't quite understand why those people should do this kind of thing.
I have never approved of the very public manner in which some of our western friends have conducted what they call the underground railroad, but which, I think, by their open declarations, has been made most emphatically the upperground railroad.
I speak with several years experience actually working in underground mines.
In the last six years, I have witnessed negotiations for the sale of slaves on four continents, in underground brothels, in front line war zones, on suburban streets.
I hate how people have been going again underground artists just because of the lyrics.
NEW YORK — Author James Purdy, a shocking realist and surprising romantic who in underground classics such as “Cabot Wright Begins” and “Eustace Chisholm and the Works” inspired censorious outrage and lasting admiration, has died.
Prices are high — about $20 for a lunch with fish from the fixed menu — largely, the owner says, because she can't find ingredients anywhere except in underground markets, where prices are steep.
For sure the entourages, the agents and the brokers have already grown way beyond the space that these men survived in underground, and it will continue to grow.
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