Inhuman

a.	1.
	1.	Destitute of the kindness and tenderness that belong to a human being; cruel; barbarous; savage; unfeeling; as, an inhuman person or people.
	2.	Characterized by, or attended with, cruelty; as, an inhuman act or punishment.

Adj.	1.	inhuman - without compunction or human feeling; "in cold blood"; "cold-blooded killing"; "insensate destruction" Synonyms: cold-blooded, insensate, cold
	2.	inhuman - belonging to or resembling something nonhuman; "something dark and inhuman in form"; "a babel of inhuman noises"

Draconian, Tartarean, animal, anthropophagous, atrocious, beastly, bestial, bloodthirsty, bloody, bloody-minded, brutalized, brute, brutish, callous, cannibalistic, cold-blooded, cruel-hearted, demoniac, demoniacal, demonic, demonish, demonlike, devil-like, devilish, diabolic, diabolical, fell, feral, ferine, fiendish, fiendlike, fierce, ghoulish, heartless, hellish, implacable, infernal, inhumane, insensitive, kill-crazy, malicious, malign, murderous, noncivilized, ogreish, pitiless, relentless, sadistic, sanguinary, sanguineous, satanic, severe, sharkish, slavering, subhuman, tameless, truculent, unchristian, uncivilized, uncompassionate, unfeeling, ungentle, unhuman, unkind, unkindly, unrelenting, unsympathetic, untamed, vicious, wild, wolfish