1. the quality or state of being unsteady or trembling
2. the quality of being unreliable or uncertain

Examples

• The shakiness in her hands made it difficult to write.
• His voice showed shakiness when he gave the presentation.
• The ladder’s shakiness made climbing dangerous.
• There was shakiness in the company’s financial reports.
• The shakiness of the old bridge concerned engineers.
• Her shakiness after the accident was understandable.
• The shakiness of his argument became apparent during debate.