BRUTISHLY
bestially, brutishly, in a beastly manner
(adverb) in an inhumane manner; “she treated her husband bestially”
Source: WordNet® 3.1
Etymology
Adverb
brutishly (comparative more brutishly, superlative most brutishly)
In a brutish manner.
Source: Wiktionary
BRUTISH
Bru"tish, a.
Definition: Pertaining to, or resembling, a brute or brutes; of a cruel,
gross, and stupid nature; coarse; unfeeling; unintelligent.
O, let all provocation Take every brutish shape it can devise. Leigh
Hunt.
Man may . . . render himself brutish, but it is in vain that he would
seek to take the rank and density of the brute. I. Taylor.
Syn.
– Insensible; stupid; unfeeling; savage; cruel; brutal; barbarous;
inhuman; ferocious; gross; carnal; sensual; bestial.
– Bru"tish*ly, adv.
– Bru"tish*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition