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