WordWeb Online

1. Inclined to shake as from weakness or defect
   "a wobbly chair with shaky legs"
   - rickety, wobbly, wonky
    
2. Vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze
   "seemed shaky on her feet"
   - shivering, trembling, aquiver, atremble, quivery
    
3. Not secure; beset with difficulties
   "a shaky marriage"
   - precarious

Derived forms: shakier, shakiest

See also: insecure, shake, shakily, shakiness, unsafe, unstable, unsteady

Encyclopedia: Shaky