shaky

adj.

[1]	uncertain , rickety , wobbly , wobbly , unstable , wonky , precarious , unsound , flimsy , weak , unsteady , unsupported , unsubstantiated , undependable , unreliable , tenuous , untrustworthy , dubious , questionable , doubtful , (Colloq) iffy
[2]	wobbly , shivering , trembling , wobbling , unstable , precarious , dilapidated , ramshackle , on its last legs , decrepit , falling down/apart , rickety , flimsy , unsteady , insecure , unsound , unsubstantial , insubstantial , feeble
[3]	precarious