Synonyms of beastly

Adjective

1. beastly, hellish, god-awful, unpleasant (vs. pleasant)

usage: very unpleasant; "hellish weather"; "stop that god-awful racket"

2. beastly, bestial, brute(prenominal), brutish, brutal, inhumane (vs. humane)

usage: resembling a beast; showing lack of human sensibility; "beastly desires"; "a bestial nature"; "brute force"; "a dull and brutish man"; "bestial treatment of prisoners"

Adverb

1. beastly

usage: in a beastly manner; "she behaved beastly toward her mother-in-law"

Definition and meaning of beastly (Dictionary)