Sandy is also a persistent person who continues to focus on improvement.

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The person may enter a persistent vegetative state or brain death.

CNN: Coma

In her petition, Pinki Virani said that Ms Shanbaug had been in a "persistent vegetative state" for 37 years and was "virtually a dead person".

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The latter is an excessive and persistent fear of an object or situation that interferes with a person's ability to function or carry out desired activities, Dr. Barlow says.

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One person described the hacking as a swarm of relatively unsophisticated but persistent attempts to gain access.

WSJ: Chinese Hackers Target U.S. Media

In another industry first, the Chimera architecture includes persistent tap-to-track technology, which allows users to touch the image of a person or object to focus on within a scene.

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