1. wrongful or illegal acts, especially by public officials; misconduct in office
Usage: legal term; formal

Examples

• The investigation revealed multiple malfeasances by city council members.
• Corporate malfeasances led to massive financial losses for investors.
• The attorney general’s office prosecutes public officials for malfeasances.
• Several malfeasances were uncovered during the audit of the department.
• The newspaper exposed numerous malfeasances in the contracting process.
• Citizens demanded accountability for the malfeasances committed by their representatives.