— beastliness , n.
/beest"lee/ , adj., beastlier, beastliest , adv.
adj.
1. of or like a beast; bestial.
2. Informal. nasty; unpleasant; disagreeable.
adv.
3. Chiefly Brit. Informal. very; exceedingly: It's beastly cold out.
4. Brit. Informal. disagreeably; outrageously: beastly rude.
[ 1175-1225; ME beasteliche, later be ( e ) stly. See BEAST, -LY 1 ]
Syn. 2. abominable, hateful, vile, foul, mean, disgusting.