'Beastly' definitions:

Definition of 'beastly'

From: WordNet
adverb
In a beastly manner; "she behaved beastly toward her mother-in-law"
adjective
Very unpleasant; "hellish weather"; "stop that god-awful racket" [syn: beastly, hellish, god-awful]
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" [syn: beastly, bestial, brute(a), brutish, brutal]

Definition of 'Beastly'

From: GCIDE
  • Beastly \Beast"ly\ (b[=e]st"l[y^]), a.
  • 1. Pertaining to, or having the form, nature, or habits of, a beast. [1913 Webster]
  • Beastly divinities and droves of gods. --Prior. [1913 Webster]
  • 2. Characterizing the nature of a beast; contrary to the nature and dignity of man; brutal; filthy. [1913 Webster]
  • The beastly vice of drinking to excess. --Swift. [1913 Webster]
  • 3. Abominable; as, beastly weather. [Colloq. Eng.] [1913 Webster]
  • Syn: Bestial; brutish; irrational; sensual; degrading. [1913 Webster]

Synonyms of 'beastly'

From: Moby Thesaurus