1. 野蛮的；粗野的；未开化的
If you describe a person or their behaviour as brutish, you think that they are brutal and uncivilised.

1. resembling a beast
showing lack of human sensibility

e.g. beastly desires
a bestial nature
brute force
a dull and brutish man
bestial treatment of prisoners

Synonym: beastlybestialbrute(a)brutal