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inbreed

American  
[in-breed, in-breed] / ˈɪnˌbrid, ɪnˈbrid /

verb (used with object)

inbred, inbreeding
  1. to breed (individuals of a closely related group) repeatedly.

  2. to breed within; engender.


verb (used without object)

inbred, inbreeding
  1. to engage in or undergo inbreeding.

inbreed British  
/ ˈɪnˈbriːd /

verb

  1. to breed from unions between closely related individuals, esp over several generations

  2. (tr) to develop within; engender

"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

Other Word Forms

Etymology

Origin of inbreed

First recorded in 1590–1600; in- 1 + breed

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:

Now researchers have figured out one reason the critters are so hardy: they can inbreed, quite robustly, for generations.

From Time Dec. 7, 2011

It turns out that unlike most creatures, bedbugs are able to inbreed with close relatives and still produce generally healthy offspring.

From Washington Post Dec. 7, 2011

Bed bugs inbreed without ill effects, the researchers said, so even a single mated bed bug can lead to a colony of the blood-sucking insects.

From BusinessWeek Dec. 6, 2011

For such a group, to survive is to inbreed, and the Amish have more than survived; they now number 44,000.

From Time Magazine Archive

The firm’s potent culture, Mr. Blankfein once said, blended confidence and excellence with “an inbred insecurity that drives people.”

From The Wall Street Journal Mar. 20, 2026

Greene adds: "Keijo is inbred, so it's even more concerning that his semen might be used for breeding of captive orcas."

From BBC Aug. 23, 2025

Inside the painting is a rendering of Kenny the Tiger, the famous inbred white Bengal.

From Los Angeles Times Mar. 11, 2025

Not only that, but the pupfish are believed to be one of the most inbred of all species, a lack of genetic variation that makes it difficult for the creatures to procreate and thrive.

From New York Times May 9, 2024

As with language, the system is governed by genes, and there are genetic differences between species and between inbred animals of the same species.

From "The Lives of a Cell" by Lewis Thomas

This hidden genetic diversity may help explain how a population founded by only a handful of snakes survived intense inbreeding, adapted to Guam, and expanded so dramatically.

From Science Daily Jul. 26, 2026

With fewer genetic differences to draw upon, inbreeding would normally reduce a species' ability to adapt and make rapid population growth less likely.

From Science Daily Jul. 26, 2026

In Southern California, lions have shown deformities from inbreeding, including kinked tails and malformed sperm.

From Los Angeles Times Dec. 10, 2025

In many species, inbreeding can reduce health and fitness.

From Los Angeles Times Apr. 11, 2025

He was a businessman, pronounced ztfynessman in his case, a hardworking, earthbound professional, more concerned with inbreeding among the lions than any over­arching moral or existential scheme.

From "Life of Pi" by Yann Martel

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