beastlier
More like animals
Beastlier is the comparative form of beastly, meaning more brutal, savage, or unpleasant.
In British usage especially, beastly serves as a mild term of disapproval: The weather today is even beastlier than yesterday.
The word can describe behavior that is more animal-like or crude: His table manners grew beastlier with each drink.
More disposed to harshness