Beast"ly (?), 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.
© Webster 1913.