Half-bred and Underbred

Half-bred adjective - (of animals) having only one purebred parent.

Underbred and half-bred are semantically related. In some cases you can use "Underbred" instead an adjective phrase "Half-bred".

Underbred adjective - Of inferior or mixed breed.

Half-bred and underbred are semantically related. You can use "Half-bred" instead an adjective "Underbred".