noun (n)

• an external body part that projects from the body(noun.body)

  Synonym:
  appendage, member
  

  source: wordnet30
• an extreme condition or state (especially of adversity or disease)(noun.state)

  source: wordnet30
• the greatest or utmost degree(noun.state)

  Example:
  The extremity of despair.
  

  source: wordnet30
• the outermost or farthest region or point(noun.location)

  source: wordnet30
• that part of a limb that is farthest from the torso(noun.body)

  source: wordnet30
• The extreme part; the utmost limit; the farthest or remotest point or part; as, the extremities of a country.(noun)

  source: webster1913