noun (n)

• an irritable petulant feeling(noun.feeling)

  Synonym:
  choler, crossness, fretfulness, fussiness, irritability, petulance
  

  source: wordnet30
• a disposition to exhibit uncontrolled anger(noun.attribute)

  Synonym:
  biliousness, irritability, pettishness, snappishness, surliness, temper
  

  source: wordnet30
• The quality of being peevish; disposition to murmur; sourness of temper.(noun)

  source: webster1913