1. damaging or spoiling the surface or appearance of something, especially by drawing or writing on it
Usage: present participle of ‘deface’

Examples

• The teenagers were caught defacing the school walls with graffiti.
• Defacing public property is a crime punishable by fines.
• Someone has been defacing the stop signs in our neighborhood.
• The vandals were defacing the historic monument with spray paint.
• Security cameras help prevent people from defacing buildings.
• She was arrested for defacing currency, which is a federal offense.