noun (n)

• the wetness of ground that is covered or soaked with water(noun.state)

  Example:
  The water's muddiness made it undrinkable.
  

  Synonym:
  sloppiness, wateriness
  

  source: wordnet30
• a mental state characterized by a lack of clear and orderly thought and behavior(noun.cognition)

  Synonym:
  confusedness, confusion, disarray, mental confusion
  

  source: wordnet30
• the quality of being cloudy(noun.attribute)

  Synonym:
  cloudiness, murkiness
  

  source: wordnet30
• The condition or quality of being muddy; turbidness; foulness caused by mud, dirt, or sediment; as, the muddiness of a stream.(noun)

  source: webster1913