bestial
[/bɛsˈtaiəl]
Definitions
1. adjective
relating to or characteristic of beasts or animals; savage, brutal, or cruel.
“The bestial behavior of the animal shocked everyone in the zoo.”
2. noun
a person whose behavior is cruel, brutal, or savage, especially as a result of being influenced by or associated with animals.
“The film portrayed the villain as a bestial figure, consumed by his own darkness.”
3. adverb
in a beastly or brutal manner.
“He fought bestial, tearing his opponent apart with his bare fists.”