interbreed

verb

in·​ter·​breed ˌin-tər-ˈbrēd How to pronounce interbreed (audio)
interbred ˌin-tər-ˈbred How to pronounce interbreed (audio) ; interbreeding

intransitive verb

: to breed together: such as
b
: to breed within a closed population

transitive verb

: to cause to breed together

Examples of interbreed in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In this full-length interview, geneticist David Reich explains how new findings have challenged the family tree model of ancestry and revealed a past shaped by migration, interbreeding, disappearance, and constant change. Big Think, 21 Apr. 2026 The researchers detected significant interbreeding between the frog populations. Hanna Wickes, Charlotte Observer, 5 Mar. 2026 The researchers also detected significant interbreeding between the frogs, adding complexity. Hanna Wickes, Miami Herald, 5 Mar. 2026 Moreover, after episodes of interbreeding between the two groups, subsequent generations of Neanderthal males would have been more likely to mate with Neanderthal women that had more modern human ancestry, the study found. Katie Hunt, CNN Money, 26 Feb. 2026 See All Example Sentences for interbreed

Word History

First Known Use

1859, in the meaning defined at intransitive sense

Time Traveler
The first known use of interbreed was in 1859

Browse Nearby Words

Cite this Entry

“Interbreed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/interbreed. Accessed 28 Apr. 2026.

Kids Definition

interbreed

verb
in·​ter·​breed ˌint-ər-ˈbrēd How to pronounce interbreed (audio)
interbred -ˈbred How to pronounce interbreed (audio) ; interbreeding
: to breed or cause to breed together: as
b
: to breed within a population

Medical Definition

interbreed

verb
in·​ter·​breed ˌint-ər-ˈbrēd How to pronounce interbreed (audio)
interbred -ˈbred How to pronounce interbreed (audio) ; interbreeding

intransitive verb

: to breed together: as
b
: to breed within a closed population

transitive verb

: to cause to breed together

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