Pronunciation: (ik-strem'i-tē),[key] —n., —pl.-ties. 1. the extreme or terminal point, limit, or part of something.
2. a limb of the body.
3. Usually, extremities. the end part of a limb, as a hand or foot: to experience cold in one's extremities. 4. Often, extremities. a condition or circumstance of extreme need, distress, etc.: to suffer the extremities of being poor. 5. the utmost or any extreme degree: the extremity of joy. 6. an extreme or extraordinary measure, act, etc.: to go to any extremity to feed the children. 7. extreme nature or character: the extremity of his views on foreign trade. 8. Archaic.a person's last moment before death.