A person or firm that owes money; one in debt; one who owes a debt.
One who owes another anything, or is under obligation, arising from express agreement, implication of law, or principles of natural justice, to pay money or to fulfill some other obligation; in bankruptcy or similar proceedings, the person who is the subject of the proceeding.
One who is insolvent; an insolvent debtor.
Not sufficient to pay all the debts of the owner.
Unable to pay one's bills as they fall due.
Owing more than one has in assets.