1. Plural of impleader; persons or parties brought into a lawsuit by a defendant who claims they are responsible for the plaintiff's injury or loss.
Usage: legal/formal; chiefly used in civil litigation

Examples

• The defendant named several impleaders in the lawsuit, claiming they shared liability for the accident.
• The court allowed the impleaders to present their defense against the allegations.
• Under the rules of civil procedure, impleaders must be notified promptly of their involvement in the case.
• The judge ruled that the impleaders had a right to cross-examine the plaintiff's witnesses.
• The defendant's attorney filed a motion to bring in impleaders who she believed were primarily at fault.