Why Does Labile Mean?

The definition of the word 'labile' is “readily or continually undergoing chemical, physical, or biological change or breakdown“, in other words, unstable. It's not a personality disorder, but it's a possible symptom of a personality disorder.

What is an example of labile?

In medicine, the term "labile" means susceptible to alteration or destruction. For example, a heat-labile protein is one that can be changed or destroyed at high temperatures. The opposite of labile in this context is "stable".

What causes labile affect?

This type of affect is seen often in neurological disorders such as pseudobulbar affect, in manic episodes during bipolar disorder, and in borderline personality disorder. Labile affect can also result from fatigue, stress/anxiety, and over-stimulation.