inhumanɪnˈhyu mən; often -ˈyu-
cold, cold-blooded, inhuman, insensate (adj)
without compunction or human feeling
"in cold blood"; "cold-blooded killing"; "insensate destruction"
belonging to or resembling something nonhuman
"something dark and inhuman in form"; "a babel of inhuman noises"
Of or pertaining to inhumanity and the indifferently cruel, sadistic or barbaric behavior it brings.