noun.
A status of lower animal.
noun.
An animal-like instinct or behaviour.
noun.
A mark, trait, or emblem of a beast.
noun.
Sexual activity between a human and another species.
noun.
Bestial in nature, savagery, inhumanity, like (or akin to) an animal: "Man's bestiality to man"
noun.
Any abstract entity similar to a beast.