shaky
adj.
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
Synonym: rickety, wobbly, wonky
adj.
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
adj.
not secure; beset with difficulties
a shaky marriage
Synonym: precarious