beastly

beastly is an   Adverb

Definition:

[1] Pertaining to, or having the form, nature, or habits of, a beast. Beastly divinities and droves of gods. Prior.

[2] Characterizing the nature of a beast; contrary to the nature and dignity of man; brutal; filthy. The beastly vice of drinking to excess. Swift.

[3] Abominable; as, beastly weather. [Colloq. Eng.]

Synonyms: