When someone describes somebody or something as beastly, they mean that they are very cruel or violent. They might use the word to describe a person or animal that is acting very aggressively.
The beastly dog attacked the child.
The beastly weather is making it difficult to go outside.
adjective
(informal) very unpleasant
Synonyms:
adjective
resembling a beast; showing lack of human sensibility
Synonyms:
ADV
in a beastly manner
1
The movie is called Beastly, based on the book Beastly by Alex Flinn.
2
He is confronted by the beastly creature.
3
Some people are simply beastly to endure.
4
The awards section formatting is pretty beastly.
5
The beastly attitude still exists in Japan.
6
But can they survive the beastly minions of the Dark Hand.
7
It's just a fact of life that people can be beastly.
8
Pete plays the cello, which is not quite as beastly.
9
Daley's responsible for a beastly political machine in Chicago.
10
The villians in the movie are Shreeky and Beastly in all the episodes.