Definitions of shaky:

  • adjective:   not secure; beset with difficulties
    Example: "A shaky marriage"
  • adjective:   inclined to shake as from weakness or defect
    Example: "A wobbly chair with shaky legs"
  • adjective:   vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze
    Example: "Seemed shaky on her feet"