vigilantism

British  

/ ˌvɪdʒɪˈlænˌtɪzəm /

noun

1. the methods, conduct, attitudes, etc, associated with vigilantes, esp militancy, bigotry, or suspiciousness

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Example Sentences

It's moderation vigilantism, in which a platform's users take it upon themselves to try to clean up the app.

From BBC

“In those instances, people may feel justified to use vigilantism.”

From Washington Post

It has been criticized for promoting vigilantism, particularly after it posted a $30,000 reward to find a man wrongly suspected of arson in May.

From Reuters

But clarifying the lines between lawful citizen’s arrests and unlawful vigilantism is nonetheless in Americans’ best interests and would help minimize the likelihood of future confrontations like the one resulting in Ahmaud Arbery’s death.

From Washington Times

The mayor later denied that he was inciting vigilantism and called Villa’s murder “lamentable.”

From Los Angeles Times