Meaning & use

tamper

verb·Everyday

Last updated

To interfere with something in order to cause damage or make unauthorized changes, often secretly.

See it in a sentence

Someone had tampered with the lock on the back door.

It's a federal offense to tamper with evidence in a criminal case.

A note on using this word

Frequently used in legal contexts, as in "tamper-evident" packaging or "witness tampering."

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