Meaning of “tamper” in the English Dictionary

american-english dictionary

"tamper" in American English

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tamperverb [ I ]

us /ˈtæm·pər/

to touch or change something without permission or without enough knowledge of how it works:

Don’t tamper with the boiler.

(Definition of “tamper” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"tamper" in Business English

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tamperverb [ I ]

uk /ˈtæmpər/ us

to touch or make changes to something when you should not, especially when this is illegal:

tamper with sth They pleaded guilty to tampering with a government record.
There were not many employees who had the opportunity and capability of tampering with the products.
The team is doing very well so I resisted the temptation to tamper too much.

(Definition of “tamper” from the Cambridge Business English Dictionary © Cambridge University Press)