Definition from Wiktionary, the free dictionary
subprime (not comparable)
- Less than prime; inferior.
- (US, banking) (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 (e.g. because of poor credit history).
- (US, banking) (dated) Designating a type of commercial lending rate, less than the prime rate, offered to desirable borrowers.
- American Dialect Society's Word of the Year (2007)
subprime (plural subprimes)
- A subprime loan.