gang·ster 
(găngstər)
(găngstər)n.
1. A member of an organized group of criminals; a racketeer.
2. A member of a gang of delinquents.
gangster·dom n.
gangster·ism n.
- hyper
- hyper-
- hyperacid
- hyperacidity
- hyperactive
- hyperactively
- hyperactivity
- hyperaesthesia
- hyperaesthesia
- hyperalimentation
- hyperbaric
- hyperbarically
- hyperbaton
- hyperbola
- hyperbole
- hyperbolic
- hyperbolical
- hyperbolically
- hyperbolic function
- hyperbolic paraboloid
- hyperbolism
- hyperbolize
- hyperboloid
- hyperboloidal
- Hyperborean