1. The area has had problems in the past with unstable land.

2. The site said the Israeli man was in unstable condition.

3. Authorities believe the slide was caused by ground made unstable by recent heavy rainfall.

4. Right now the technology is unstable, but research and investment are not.

5. Investigators believe his unstable mental health contributed to the rampage.

6. These findings suggest that a star may be unstable months before its turns into a Type II supernova.

7. The chemicals necessary for a deep blue are unstable and problematic when placed in fireworks.

8. I think our lives will be unstable, she said.

9. The White House is a place that attracts many unstable people.

10. This practice is inadequate given the unstable nature of big data.

11. An injured survivor told his relatives that the path was unstable just before the avalanche hit.

12. We are in a very unstable position.

13. The avalanche occurred Tuesday morning but a search was hampered by unstable terrain.

14. Efforts are focused on high fraud countries, with unstable governments or poor economies.

15. So each compiler handles the cases of unstable code differently.