Beastly

Beast"ly (bēst"l?), a. 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.]

Syn. -- Bestial; brutish; irrational; sensual; degrading.