Adjective
-
resembling a beast
showing lack of human sensibility
"beastly desires"
"a bestial nature"
"brute force"
"a dull and brutish man"
"bestial treatment of prisoners"
-
very unpleasant
"hellish weather"
"stop that god-awful racket"
- god awful
Adverb
-
in a beastly manner
"she behaved beastly toward her mother-in-law"