Meaning of gangsterism

gang•ster•ism

Pronunciation: (gang'stu-riz"um), [key]
— n.
  1. the methods or behavior of gangsters.
  2. the use of tactics associated with gangsters, as intimidation or violence, in order to achieve something.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.