1. trembling or unsteady; not firm or stable
2. uncertain or unreliable; not secure or dependable
3. weak or poor in quality; not satisfactory

Examples

• Her hands were shaky after the accident.
• The old ladder felt shaky and unsafe.
• His shaky voice revealed his nervousness.
• The company’s financial situation looks shaky.
• She gave a shaky performance in the play.
• The evidence against him is pretty shaky.
• My knowledge of French is still shaky.