adjective
erratic
irregular and unpredictable
In more detail
1. (adjective) not following a regular or predictable pattern; changing frequently in an unexpected way
2. (adjective) not reliable or dependable; behaving in a way that cannot be predicted
Examples
- 1. The patient's erratic behavior worried the doctors.
- 2. His erratic work schedule made it difficult for his family to plan activities.
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