interbreed

UK: /ˌɪntəˈbriːd/ US: (in′tər brēd′)

Inflections of 'interbreed' (v): (⇒ conjugate)

interbreeds

v 3rd person singular

interbreeding

v pres p

interbred

v past

interbred

v past p

WordReference Random House Unabridged Dictionary of American English © 2026

in•ter•breed  (in′tər brēd′), v., -bred, -breed•ing. 
v.t. 

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

v.i. 

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

• inter- + breed 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::

interbreed / ˌɪntəˈbriːd/ verb ( -breeds, -breeding, -bred)

1. (intransitive) to breed within a single family or strain so as to produce particular characteristics in the offspring
2. another term for crossbreed1

ˌinterˈbreeding noun