Poor : lacking sufficient money to live at a standard considered comfortable or normal in a society.
Bankrupt : (of a person or organization) declared in law as unable to pay their debts.
Broke : separate into pieces as a result of a blow, shock, or strain.
Penniless : (of a person) having no money; very poor.
Insolvent : unable to pay debts owed.
Synonym of Insolvent is Bankrupt