Too tense thus at the bank? (9)
I believe the answer is:
overdrawn
This clue is a double definition.
'too tense' is the first definition.
(drawn or tensed too much)
'thus at the bank?' is the second definition.
(as in an overdrawn account)
(Other definitions for overdrawn that I've seen before include "In the red at the bank" , "is no longer credited" , "having incurred obligations" , "bust?" , "account discredited" .)