Being in debts is a situation that no one would prefer to be in. When someone owes someone else some amount of money, they are said to be in debt. There are many different words that can be used as synonyms for the term "in debt". Some of these words include "owing money", "indebted", "owing", "in arrears", "overdue", and "behind on payments". Each of these synonyms highlights a different aspect of the situation and the extent of the financial obligation. Whether you are referring to an individual or a company, these synonyms will help you talk about the state of their finances in a much clearer way.