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subprime

American  
[suhb-prahym] / sʌbˈpraɪm /

adjective

  1. being of less than top quality.

    a subprime grade of steel.

  2. being below a prime rate.

    banks engaging in subprime lending.


subprime British  
/ ˈsʌbˌpraɪm /

adjective

  1. (of a loan) made to a borrower with a poor credit rating, usually at a high rate of interest

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. a loan made to a borrower with a poor credit rating

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of subprime

sub- + prime

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Marks says he doesn’t detect similar potential risk factors comparable to portfolio insurance or subprime lending.

From The Wall Street Journal Jul. 15, 2026

The scale of current problems is substantial: AI investment alone is around 17 times that of the 2000 dot-com boom, and four times the 2008 subprime housing crisis.

From MarketWatch Jul. 9, 2026

In March of 2006 for instance, it put out a paper titled “Prime or Not So Prime” that detailed the risks posed by the securitization of subprime loans in the U.S.

From The Wall Street Journal Jun. 30, 2026

History has also taught us that the gods like to dish out nasty surprises every few years: dot-com bubbles, subprime mortgage crises, pandemics, etc.

From MarketWatch Jun. 16, 2026

The subprime mortgage loans being made in early 2005 were, he felt, almost certain to go bad.

From "The Big Short" by Michael Lewis

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