foulness in WordNet English dictionary

1. the attribute of having a strong offensive smell
   malodorousness  stinkiness  foulness  rankness  fetidness 
   
2. a state characterized by foul or disgusting dirt and refuse
   filth  filthiness  foulness  nastiness 
   
3. (of weather) the badness of the weather
   "they were wearied with the foulness of the weather"
   foulness  raininess 
   
4. disgusting wickedness and immorality
   "he understood the foulness of sin"; "his display of foulness deserved severe punishment"; "mouths which speak such foulness must be cleansed"
   foulness