extremity

Noun

• that part of a limb that is farthest from the torso

• the outermost or farthest region or point

• the greatest or utmost degree
  • the extremity of despair
    

• an extreme condition or state (especially of adversity or disease)

• an external body part that projects from the body
  • it is important to keep the extremities warm
    

Related words

• Synonyms: 
  appendage , member