Originally Posted by Sarn

the crime of intentionally damaging property belonging to other people:
Beset by violence and vandalism, this is one of the most unpleasant areas in the city.
These schools are known to be vulnerable to vandalism.
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any activity that is considered to be damaging or destroying something that was good:
Cutting down the old forest was an act of vandalism.
The advertising industry's use of classic songs is vandalism of popular culture, he said.
vandalism Meaning in the Cambridge English Dictionary