foulness

from WordNet (r) 3.0 (2006)

foulness
    n 1: 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"
    2: a state characterized by foul or disgusting dirt and refuse
       [syn: {filth}, {filthiness}, {foulness}, {nastiness}]
    3: (of weather) the badness of the weather; "they were wearied
       with the foulness of the weather" [syn: {foulness},
       {raininess}]
    4: the attribute of having a strong offensive smell [syn:
       {malodorousness}, {stinkiness}, {foulness}, {rankness},
       {fetidness}]

from The Collaborative International Dictionary of English v.0.48

Foulness \Foul"ness\, n. [AS. f[=u]lnes.]
   The quality or condition of being foul.
   [1913 Webster]