0 the action of touching or making changes to something that you should not, usually when you are trying to damage it or do something illegal: --
The medications come in sealed containers to protect against tampering.
Any tampering with the system risks making it less effective.
He was concerned that the way she was investigating the case constituted obstruction of justice or tampering.
1 the illegal act of touching or making changes to something when you should not: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
We kunnen het stap voor stap voltooien, hoe lang de weg ook is en het kan niet worden voltooid, hoe kort de weg ook is, als je niet eens je voetafdruk markeert.