purebred
US /ˈpjʊr.bred/
UK /ˈpjʊr.bred/

1.
bred from parents of the same breed or variety
:
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The dog is a purebred Labrador.
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They raise purebred horses on their farm.
1.
an animal of pure breed
:
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She prefers to adopt purebreds from rescue organizations.
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Many breeders specialize in specific purebreds.