[1] : The Collaborative International Dictionary of English v.0.48

organized crime \organized crime\ n.
   groups of persons organized for illegal purposes, such as
   bootlegging, conducting illegal gambling, loansharking,
   extortion, etc.; -- a general term encompassing most forms of
   criminal groups, but especially those that are consolidated
   into "families" more or less recognizing each other's
   different regions of operation; sometimes considered
   synonymous with the mafia or the syndicate.
   pjc
see also:
mafia syndicate 

[2] : The Collaborative International Dictionary of English v.0.48

syndicate \syn"dicate\, n. cf. f. syndicat, ll. syndicatus.
   1. the office or jurisdiction of a syndic; a council, or body
      of syndics. --bp. burnet.
      1913 webster

   2. an association of persons officially authorized to
      undertake some duty or to negotiate some business; also,
      an association of persons who combine to carry out, on
      their own account, a financial or industrial project; as,
      a syndicate of bankers formed to take up and dispose of an
      entire issue of government bonds.
      1913 webster

   3. a more or less organized association of criminals
      controlling some aspects of criminal activity, in a
      specific area or country-wide; -- used loosely as a
      synonym for organized crime or the mafia.
      pjc

   4. journalism a commercial organization that purchases
      various journalistic items, such as articles, columns, or
      comic strips, from their individual creators, and resells
      them to newspapers or other periodicals for simultaneous
      publication over a wide area.
      pjc
see also:
organized crime mafia 

[3] : WordNet (r) 2.0

organized crime
     n : underworld organizations syn: gangland, gangdom
see also:
gangland gangdom 

[4] : Moby Thesaurus II by Grady Ward, 1.0

28 moby thesaurus words for "organized crime":
   black hand, cosa nostra, mafia, black market, bootlegging,
   gambling, gangdom, gangland, gray market, illegal commerce,
   illegal operations, illegitimate business, illicit business,
   loan-sharking, moonshining, narcotics traffic, prostitution,
   protection racket, racket, shady dealings, the mafia, the mob,
   the rackets, the syndicate, the underworld, traffic in women,
   usury, white slavery

Organized Crime >> O Words
Organized Crime, definition of term: Organized Crime
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Crime >> C Words
Crime, definition of term: Crime
crime_pag1.html

Organized >> O Words
Organized, definition of term: Organized
organized_pag1.html

Crime Rate >> C Words
Crime Rate, definition of term: Crime Rate
crime+rate_pag1.html

War Crime >> W Words
War Crime, definition of term: War Crime
war+crime_pag1.html

Computer Crime >> C Words
Computer Crime, definition of term: Computer Crime
computer+crime_pag1.html

Capital Crime >> C Words
Capital Crime, definition of term: Capital Crime
capital+crime_pag1.html