underground


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Related to underground: Underground hip hop

go underground

1. To conceal oneself in a hidden place or at a hidden location so as to avoid discovery or detection, especially by figures of authority. Many political dissidents have gone underground now that the government has begun its violent crackdown on opposing parties. The agent had to go underground after his cover was blown.
2. To operate or function without being detected by someone or something, especially a body or figures of authority. The distributors of the pro-socialist pamphlets seem to have gone underground ever since they started attracting the attention of the feds.
See also: go, underground

underground railroad

1. capitalized An organized network of secret workers, routes, and safe houses used to ferry escaped African-American slaves to free states or present-day Canada. A former slave herself, Harriet Tubman was an instrumental figure in the Underground Railroad, saving roughly 70 people from slavery over the course of 13 rescue missions.
2. By extension, any network of people working together secretly to help fugitives escape to places of safety and freedom. The human rights organization has begun operating an underground railroad in the third-world country to help human trafficking victims escape from bondage. A former slave herself, Harriet Tubman was an instrumental figure in the Underground Railroad

underground railroad

A secret network for moving and housing fugitives, as in There's definitely an underground railroad helping women escape abusive husbands. This term, dating from the first half of the 1800s, alludes to the network that secretly transported runaway slaves through the northern states to Canada. It was revived more than a century later for similar escape routes.

go underground

in. to go into hiding; to begin to operate in secret. The entire operation went underground, and we heard no more about it.
See also: go, underground
References in periodicals archive ?
Caption: Lucara considers underground operations to feed its 2.
The report covers customer expectations, storms and damage, reliability of overhead and underground electrical systems, utility infrastructure, benefits and challenges of undergrounding, costs of undergrounding, state policies and utility approaches to under-grounding, and state undergrounding studies.
For years, the mining industry had sought to reduce the quarterly inspections that the 1969 health and safety act required at all underground coal mines.
The application has potential in space and will undoubtedly find its way underground where the idea originated.
Before 1863, the Underground Railroad was a system of cooperation among African American slaves, free African Americans, abolitionists, sympathetic whites and Native Americans to help slaves escape their bonds and claim the promise of freedom.
InSAR is a "promising technique" for finding the sites of underground nuclear tests, says William S.
But the bomb detonated prematurely at the Greenwich Village apartment being used as a Weather Underground safe house, killing three members of the terrorist cell.
Schlosser posits that the porn biz, like other underground industries, was responsible for innovations in everyday American life, including "the successful launch of the VCR.
Fools in the underground are gonna start signing major deals and get bigger.
Few underground mines at that time had adequate ventilation, and miners described thick smoke that made them acutely ill and long hours of working in heavy dust conditions.
Cummins said Atlas Copco Wagner has selected the QSK19 to power an MT5000 underground haul truck that went into service in October at the Black Mountain Mine in the Republic of South Africa.
In May, 1999, an underground Catholic seminarian, Wan Qing, was arrested, tortured, and hung for three days by his hands with his toes barely touching the ground.
The laws governing underground storage tanks (USTs) are complicated.
The oldest metro system in the world, London Underground first opened in 1863, with steam trains running along four miles of track between Paddington and Farringdon Street.
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