sub-prime

/S AH1 B P R AY0 M/
adjective
  1. 1

    Less than prime; inferior.

  2. 2

    (now worldwide) Designating a loan (typically at a greater than usual rate of interest) offered to a borrower who is not qualified for other loans (for example, because of a poor credit history).

  3. 3

    Designating a type of commercial lending rate, less than the prime rate, offered to desirable borrowers.

Source: https://en.wiktionary.org/wiki/sub-prime, https://en.wiktionary.org/wiki/subprime