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