- Defilement - Disfigurement - Vandalism - The act of defacing, or the condition of being defaced;
injury to the surface or exterior; obliteration. - That which mars or disfigures.
- Blot on the landscape - Description of an ugly building - Disfigurement - Hideous structure - Horrible sight - I saw so-called blot on the landscape - It’s ugly to look at