From BiblePortal Wikipedia

King James Dictionary [1]

Extrem'Ity, n. L. extremitas. The utmost point or side the verge the point or border that terminates a thing as the extremities of a country.

1. The utmost parts. The extremities of the body, in painting and sculpture, are the head, hands and feet but in anatomy, the term is applied to the limbs only. 2. The utmost point the highest or furthest degree as the extremity of pain or suffering the extremity of cruelty. Even charity and forbearance may be carried to extremity. 3. Extreme or utmost distress, straits or difficulties as a city besieged and reduced to extremity. 4. The utmost rigor or violence. The Greeks have endured oppression in its utmost extremity. 5. The most aggravated state.

The world is running after farce,the extremity of bad poetry.

Webster's Dictionary [2]

(1): ( n.) One of locomotive appendages of an animal; a limb; a leg or an arm of man.

(2): ( n.) The utmost point; highest degree; most aggravated or intense form.

(3): ( n.) The highest degree of inconvenience, pain, or suffering; greatest need or peril; extreme need; necessity.

(4): ( n.) The extreme part; the utmost limit; the farthest or remotest point or part; as, the extremities of a country.