What is a synonym for beastly?

Here are some synonyms for "beastly," depending on the specific meaning you're trying to convey:

For "cruel or brutal":

* Savage

* Vicious

* Ferocity

* Ruthless

* Brutal

* Barbaric

* Despicable

* Heinous

For "unpleasant or nasty":

* Awful

* Horrible

* Terrible

* Dreadful

* Disgusting

* Vile

* Repulsive

* Foul

For "like a beast":

* Animalistic

* Bestial

* Ferocious

* Wild

* Untamed

* Primitive

For "very large or powerful":

* Huge

* Enormous

* Immense

* Massive

* Gigantic

For "extremely bad or unpleasant weather":

* Stormy

* Furious

* Inclement

* Rough

The best synonym for "beastly" will depend on the context of your sentence.