How to Use "unpredictable" with Example Sentences

1. But scientists warn that this volcano is extremely unpredictable .
2. Central banks are in new and uncharted territory , with unpredictable and potentially profound consequences .
3. Politics in south korea is notoriously unpredictable .
4. Offshore wind farms are expensive and their income unpredictable .
5. Fiscal crises are -- ahem -- inherently unpredictable events .