mercurialism in a sentence

Definition

Mercurialism refers to a tendency to change moods or behaviors unpredictably and rapidly, often characterized by emotional volatility.

The author's mercurialism is evident in the way her characters shift from one extreme emotion to another.
His mercurialism made it difficult for his friends to predict how he would react to any given situation.
In discussions of personality types, mercurialism is often associated with creativity and spontaneity.
The mercurialism of the stock market can lead to opportunities for savvy investors but also significant risks.
Her mercurialism was both captivating and exhausting, leaving those around her constantly on their toes.