tamper
Tamper (verb) means to interfere with something in an unauthorized or harmful way. Example: “Someone had tampered with the lock overnight.”
How to use tamper
Learner’s notesIn plain EnglishTo meddle with something you shouldn't, usually to damage, alter, or corrupt it.
Always takes "with" — you tamper with something, not tamper something.
Word forms
- Plural
- tampers
- Third person singular
- tampers
- Past tense
- tampered
Fill the gap
Can you complete this real example?
Someone had _____ with the lock overnight.
Etymology
From tamp ("to pack down firmly") plus the agent/frequentative suffix -er.