Gangster (noun)

1. A member of a criminal organization.
2. A ruthless and violent criminal.
3. A person who conducts illegal activities and uses intimidation and violence to control others.
4. A person who engages in organized crime.

Origin:

From the late 19th century, originally meaning a member of a street gang, from the yiddish word "gangstern" meaning "thugs", from "gang" meaning "group", and "-ster" meaning "one who performs a certain action".

Examples:

1. Al Capone is considered one of the most notorious gangsters in American history.
2. The police had been trying to gather evidence against the notorious gangster for years.
3. The gangster movie genre is popular in Hollywood film industry.
4. The FBI's primary focus was to put the big time gangsters behind bars.
5. The term "gangster" is often used to describe a person who is involved in illegal activities, such as drug trafficking, extortion, or racketeering.