Added 10 October 2026 crossbreed /ˈkɹɑːsˌbɹiːd/ noun Categories: AnimalsObscure Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about crossbreed at Wordnik → Where our words come from → (genetics) an organism that is the offspring of genetically dissimilar parents or stock; especially offspring produced by breeding plants or animals of different varieties or breeds or species. a mule is a cross between a horse and a donkey verb Breed animals or plants using parents of different races and varieties. cross a horse and a donkey Related Words: hybridinterbreedhybridizecross-breedxbreedcrossoutcrosscrosshybridizebackcrosssubcrossintercrosstestcross Back to today's word