From Longman Dictionary of Contemporary Englishtamper with something phrasal verbDAMAGEto touch something or make changes to it without permission, especially in order to deliberately damage it He noticed that the instruments had been tampered with. I don’t see the point in tampering with a system that’s worked fine so far. → tamper→ See Verb tableFrom Longman Business Dictionarytamper with something phrasal verb [transitive] to touch something or make changes to it without permission, especially in order to deliberately damage itSome of the packs may have been tampered with.The government does not want to tamper with an economy that is already healing itself. → tamper→ See Verb table
