pureblood I. \ˈ ̷ ̷ˌ ̷ ̷\adjective orpure-blooded\ˈ ̷ ̷| ̷ ̷ ̷ ̷\ Etymology:pure (I) + blood, blooded : of unmixed ancestry : purebred II. noun : a pureblood individual : purebred < a beef sire that is a pureblood of excellent ancestry > especially: a member of one of the non-Caucasian divisions of mankind (as a Negro or American Indian) — compare mixed-blood