from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To breed with another kind or species; hybridize.
  • intransitive v. To breed within a narrow range or with closely related types or individuals; inbreed.
  • transitive v. To cause to interbreed.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To breed or reproduce within a isolated community.
  • v. To breed or reproduce within a heterogenous community, the products of which produce hybrids.

from the GNU version of the Collaborative International Dictionary of English

  • v. To breed by crossing different stocks of animals or plants.

from The Century Dictionary and Cyclopedia

  • To breed by crossing species or varieties; cross-breed.
  • To practise cross-breeding, as a farmer.
  • To procreate with an animal of a different variety or species: as, hens and pheasants interbreed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. breed animals or plants using parents of different races and varieties


Sorry, no etymologies found.


  • And indeed there is, since many cannot interbreed, which is one of the defining aspects of a species.

    Lauri Lebo blog and the End of the World - The Panda's Thumb

  • Anyway, I'm one of the inbreed, were a little less powerful to the interbreed, and of course, because this is a super hero type dream the interbreed are the bad guys.

    [Help] Most Recent Posts

  • As a woman who grew up in a lacrosse town on Long Island, attended Maryland and worked the men's lacrosse team, this idea that they "interbreed" is ridiculous.

    Politics Daily

  • In a weird duplication of manifest destiny, the white folks (plus assimilates without a culture of their own) are now going to educate, civilize, interbreed with, and take control of the indigenes.

    Mind Meld Make-Up Test with Geoff Ryman

  • Or worse, by eating genetically engineered "Frankenfish" that could escape through torn nets and interbreed with the wild fish stocks, are we doing more harm than good to our bodies and the earth?

    Mark Hyman, MD: Wild Fish? Farmed Fish? What Should We Eat?

  • This analysis suggested that wolves could have become dogs wherever in Eurasia they associated closely with early humans, and that even after the split was made, dogs and wolves continued to interbreed.

    From the Cave to the Kennel

  • Regarding the current issue of the origin of species, the illogic goes like this: "different species don't interbreed, therefore things that don't interbreed must be species".

    At What Level did this Evolve?

  • Other examples include waterfowl, which readily interbreed, but can still maintain their distinct identities. angryoldfatman: And "greater success" (presumably we are talking about evolutionary success) can in no way be acheived by an organism that dies without reproducing.

    At What Level did this Evolve?

  • In like manner, different species will not interbreed, but it is wrong to presume the inability or unwillingness to interbreed necessarily implies that a new species has emerged.

    At What Level did this Evolve?

  • The America I know, love and remember would never let the banks and financial services sector interbreed and crash the markets.

    Pawlenty: USA Turning Into South American Republic


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