noun (n)

• a slight illness(noun.state)

  source: wordnet30
• a certain degree of unwillingness(noun.attribute)

  Example:
  His hesitancy revealed his basic indisposition.
  

  Synonym:
  disinclination, hesitancy, hesitation, reluctance
  

  source: wordnet30
• The state of being indisposed; disinclination; as, the indisposition of two substances to combine.(noun)

  source: webster1913