off balance
Out of equilibrium, unsteady, as in When learning how to ride a two-wheeler, it's easy to get off balance and fall, or She stood up and threw the canoe off balance. [Mid-1900s]
Surprised, unprepared, as in The teacher gives unannounced tests to keep the class off balance. [Second half of 1900s]
Words nearby off balance
ofcom,
off,
off again, on again,
off and on,
off and running,
off balance,
off base,
off break,
off broadway,
off chance,
off colour