erraticism
noun
Meaning
The quality or state of being unpredictable, inconsistent, or lacking a regular pattern.
Examples
- The erraticism of his mood swings made it difficult for his colleagues to know how to approach him.
- Scientists were puzzled by the erraticism in the satellite's orbit, which seemed to change without any clear cause.
Synonyms: changeability, inconsistency, unpredictability, volatility