1. violent, lawless, or brutal behavior; the conduct of a ruffian

Examples

• The mayor promised to crack down on ruffianism in the downtown area.
• His ruffianism made him unwelcome at respectable gatherings.
• The police were called to stop the ruffianism outside the stadium.
• She was shocked by the ruffianism displayed during the protest.
• The school has a zero-tolerance policy toward ruffianism.
• Local businesses complained about increasing ruffianism in the neighborhood.