gangsterism

gangster +‎ -ism

gangsterism (countable and uncountable, plural gangsterisms)

1. The behavior of a gangster; organized crime.
   • 1968, “SHANGHAI (SHANG-HAI)”, in Encyclopedia Britannica‎, volume 20, →LCCN, →OCLC, page 346, column 2:

     In a city known once as a centre of gangsterism and of beggars and prostitutes, it is claimed that now not a single night club exists. About 10,000 prostitutes were put into reformatories for labour reform and rehabilitation to Communist society.

   • 2009 February 13, Peter Rakobowchuk, “Police hit bikers, gangs”, in Toronto Star‎:

     Charges to be laid include gangsterism, drug trafficking, weapons possession and conspiracy to commit murder.

Borrowed from French gangstérisme.

gangsterism n (uncountable)

1. gangsterism