1. the act of damaging or spoiling the appearance of something, especially by drawing or writing on it

Examples

• The defacement of the historic monument angered local residents.
• Graffiti defacement is a serious crime in many cities.
• The library installed security cameras to prevent defacement of books.
• Park officials are working to repair the defacement of the statue.
• The defacement of public property carries heavy fines.
• Students were suspended for the defacement of school walls.