noun (n)

• a gloomy ill-tempered feeling(noun.feeling)

  Synonym:
  glumness, sullenness
  

  source: wordnet30
• a sullen moody resentful disposition(noun.attribute)

  Synonym:
  sourness, sulkiness, sullenness
  

  source: wordnet30
• Sourness of temper; sulenness.(noun)

  source: webster1913