off–balance

1 :  not well proportioned :  out of balance the plans are off-balance their military is off-balance

2 :  not standing, sitting, or resting in normal physical equilibrium caught off-balance and knocked down — Jack Dempsey

3a :  upset from or in a state of being upset by confusion :  upsetting the off-balance presentation of alternatives — S. L. Payne keep us off-balance b :  into a state of surprise from the unexpected may turn us momentarily off-balance by saying one thing when he means another — R. B. West