noun (n)

• a state of motor and mental inactivity with a partial suspension of sensibility(noun.state)

  Example:
  He fell into a deep torpor.
  

  Synonym:
  torpidity
  

  source: wordnet30
• inactivity resulting from lethargy and lack of vigor or energy(noun.attribute)

  Synonym:
  listlessness, torpidity, torpidness
  

  source: wordnet30
• Loss of motion, or of the motion; a state of inactivity with partial or total insensibility; numbness.(noun)

  source: webster1913