Definition of "gangster" in English

noun

1. A member of a criminal or street gang.

2. A member of a professional criminal organization (in organized crime): a racketeer.

verb

1. To act like a gangster; to commit street crime or run a racket.

adjective

1. (African-American Vernacular, slang) Characteristic of a gangster; (especially) admirable and audacious.

2. (African-American Vernacular, slang, Internet slang) On friendly terms; cool.

   • We put an end to our beef. We're all gangster now.