"Mental instability" is a phrase used to describe when a person's thoughts, emotions, and behaviors are unpredictable or not well-balanced. It means that the person may have difficulty managing their feelings or coping with everyday life.
Sentences with «mental instability»
They also serve as expert witnesses in a law court providing psychological verification of mental instability as may be claimed by a defendant. (jobdescriptionandresumeexamples.com)
The congressman though, said mental instability has been a common thread in similar past shootings. (nystateofpolitics.com)