Overdrawn means having taken out more than the account held. Go overdrawn, heavily overdrawn, an overdrawn account.
An arranged overdraft is agreed in advance and charged at a set rate; going overdrawn without one costs far more. The word is also used of a person, so somebody can be overdrawn as well as their account.
1adjectiveoverdrawnHaving taken out more than the account held.
“I'm overdrawn again, so I can't pay for the tickets until payday.”
overdrawn is a state.