noun (n)

• partial or total lack of sensation in a part of the body; a symptom of nerve damage or dysfunction(noun.state)

  source: wordnet30
• the trait of lacking enthusiasm for or interest in things generally(noun.attribute)

  Synonym:
  apathy, indifference, spiritlessness
  

  source: wordnet30
• The condition of being numb; that state of a living body in which it loses, wholly or in part, the power of feeling or motion.(noun)

  source: webster1913