Merriam-Webster Collegiate Dictionary - mixed

 adjective  Etymology: Middle English mixte  Date: 15th century  1. combining characteristics of more than one kind; specifically combining features of two or more systems of government a ~ constitution  2. made up of or involving individuals or items of more than one kind: as  a. made up of or involving persons differing in race, national origin, religion, or class  b. made up of or involving individuals of both sexes ~ company a ~ school  3. including or accompanied by inconsistent, incompatible, or contrary elements ~ emotions received ~ reviews a ~ blessing  4. deriving from two or more races or breeds a stallion of ~ blood