Half-bred and Outbred

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

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

Outbred adjective - Bred of parents not closely related; having parents of different classes or tribes.

Half-bred and outbred are semantically related. You can use "Half-bred" instead an adjective "Outbred".