Balance due is a common accounting term used to refer to the amount of money owed after accounting for all credits and debits. However, there are several synonyms for the term balance due that can be used in different contexts. These synonyms include outstanding balance, unsettled amount, unpaid debt, overdue payment, and remaining balance. Depending on the situation, some of these synonyms may be more appropriate than others. For example, overdue payment is more suitable when referring to a payment that has become past due. Similarly, the term unpaid debt is more suitable when referring to an outstanding debt that has not been paid.