verb (used with object), in·ter·bred, in·ter·breed·ing.

to crossbreed (a plant or animal).
to cause to breed together.

verb (used without object), in·ter·bred, in·ter·breed·ing.

to crossbreed.
to breed or mate with a closely related individual, as in a small, closed population.

Origin of interbreed

First recorded in 1855–60; inter- + breed Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for interbreed

Historical Examples of interbreed

  • One of the definitions of species is that they will not interbreed and propagate.

    The Other Side of Evolution

    Alexander Patterson

  • Notwithstanding their similarity they do not interbreed when brought together.

    Jungle Folk

    Douglas Dewar

  • My experience tends to show that the two species will not interbreed.

    Jungle Folk

    Douglas Dewar

  • Or will the two make peace, unite and interbreed, make war on us?

    Student Body

    Floyd L. Wallace

  • The flock was allowed to wander at will and to interbreed freely.

    The Black Fawn

    James Arthur Kjelgaard

British Dictionary definitions for interbreed


verb -breeds, -breeding or -bred

(intr) to breed within a single family or strain so as to produce particular characteristics in the offspring
another term for crossbreed (def. 1)
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

Word Origin and History for interbreed

1859, from inter- + breed. Related: Interbred; interbreeding.

Online Etymology Dictionary, © 2010 Douglas Harper