Class-action (noun)

A legal action brought by a large number of people collectively.

Origin:

Late 19th century: from class + action.

Examples:

1. The class-action lawsuit was filed on behalf of customers who were charged unauthorized fees.
2. The class-action suit was filed against the company for their role in the pollution of the river.
3. The class-action settlement provided compensation to the affected customers.
4. The class-action was brought by shareholders alleging fraud by the company.
5. The class-action was the result of years of research and investigation into the company's practices.