Used when someone disrupts something's function, often unseen or until it's too late. He had tampered with the engine, causing the car to break down mid-journey.
Pro Tip 2/3
Illegal Acts
Commonly used in a legal or formal context to describe unlawful interference. She was arrested for tampering with the store's security system.
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Secrecy Element
Often implies secretive handling, possibly to avoid detection or to be stealthy. He secretly tampered with the documents in the manager's office.