What does "labile affect" mean?

The presence of rapid, unpredictable, and uncontrollable shifts in one's emotions, which can be a symptom of some psychiatric conditions.

Labile affect

Common synonyms include: affective instability, emotional instability, emotional lability, flickering emotion, fluctuate, mood lability.

noun

noun ·Rare ·Advanced level

Noun

1
The presence of rapid, unpredictable, and uncontrollable shifts in one's emotions, which can be a symptom of some psychiatric conditions.
2
Synonym of pseudobulbar affect.