noun (n)

• the property of having a relatively small size(noun.attribute)

  Synonym:
  smallness
  Antonym:
  bigness, largeness
  

  source: wordnet30
• the property of having relatively little strength or vigor(noun.attribute)

  source: wordnet30
• lack of generosity in trifling matters(noun.attribute)

  Synonym:
  pettiness, smallness
  

  source: wordnet30
• The state or quality of being little; as, littleness of size, thought, duration, power, etc.(noun)

  source: webster1913