1. the act of interfering with something in order to damage or make unauthorized alterations

Examples

• The tampering with evidence led to a mistrial.
• Security cameras were installed to prevent tampering with the voting machines.
• There were signs of tampering on the sealed envelope.
• The company fired the employee for tampering with financial records.
• Product tampering is a serious crime that endangers consumers.
• The investigation revealed tampering with the car’s brakes.