interbred See {interbreed} interbred adj 1: produced by crossbreeding [syn: {crossed}, {hybrid}, {intercrossed}] 2: bred of parents of different races or strains [syn: {crossbred}] 3: bred of closely related parents interbreed v : breed animals or plants using parents of different races and varieties; "cross a horse and a donkey"; "Mendel tried crossbreeding"; "these species do not interbreed" [syn: {crossbreed}, {cross}, {hybridize}, {hybridise}] [also: {interbred}]