tampering
n. uncountablen. the act of touching or changing something without permission, usually to cause damage or to cheat. You often hear this word when someone tries to break a lock or change a document.
n. the act of interfering with something in a secret or unauthorized way, typically to cause damage, alter results, or gain an unfair advantage.
The police found evidence of tampering with the lock.
The company added a plastic seal to the bottle to prevent any tampering before the customer buys it.
The defense attorney argued that the digital evidence was inadmissible due to potential tampering during the initial stages of the forensic investigation.
Often followed by the preposition 'with'.
tampering of the evidencetampering with the evidenceThe noun 'tampering' (and the verb 'tamper') requires the preposition 'with' to indicate the object being interfered with.