Also found in: Thesaurus.
the world of gangs or organized crime.See also: Crime
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|Noun||1.||gangdom - underworld organizations |
social group - people sharing some social relation
yakuza - organized crime in Japan; an alliance of criminal organizations and illegal enterprises
gang, mob, pack, ring - an association of criminals; "police tried to break up the gang"; "a pack of thieves"
underworld - the criminal class
Sicilian Mafia, Maffia, Mafia - a secret terrorist group in Sicily; originally opposed tyranny but evolved into a criminal organization in the middle of the 19th century
Black Hand - a secret terrorist society in the United States early in the 20th century
Camorra - a secret society in Naples notorious for violence and blackmail