|Origin:||debitum 'debt'; DEBT|
a decrease in the amount of money in a bank account, for example because you have taken money out of it [≠ credit; ↪ direct debit]
a record in financial accounts that shows money that has been spent or that is owed [≠ credit]
used to say that something is a disadvantage in a particular situation, especially after you have described the advantages:
Bikes are easy to park, but on the debit side can be dangerous in traffic.