overborrowing

/ˌoʊvərˈbɑroʊɪŋ/
noun
  1. The act of borrowing more money than one can afford to repay.
    • Overborrowing led to the family's financial crisis.
    • Overborrowing by the government caused a spike in national debt.
    • The bank warned customers about the dangers of overborrowing.