inclined to shake as from weakness or defect; "a rickety table"; "a wobbly chair with shaky legs"; "the ladder felt a little wobbly"; "the bridge still stands though one of the arches is wonky"
If you describe a situation as shaky, you mean that it is weak or unstable, and seems unlikely to last long or be successful. A shaky ceasefire is holding after three days of fighting between rival groups I'm afraid that this school year is off to a shaky start
vibrating slightly and irregularly; as e g with fear or cold or like the leaves of an aspen in a breeze; "a quaking bog"; "the quaking child asked for more"; "quivering leaves of a poplar tree"; "with shaking knees"; "seemed shaky on her feet"; "sparkling light from the shivering crystals of the chandelier"; "trembling hands"
If your body or your voice is shaky, you cannot control it properly and it shakes, for example because you are ill or nervous. We have all had a shaky hand and a dry mouth before speaking in public