brute

noun

• 1a savagely violent man or animal:he was a cold-blooded brute
• informal a cruel or insensitive person:what an unfeeling little brute you are
• something awkward, difficult, or unpleasant:a great brute of a machine

• 2an animal as opposed to a human being: we, unlike dumb brutes, can reflect upon our impulses

adjective

• unreasoning and animal-like:a brute struggle for social superiority
• merely physical:we achieve little by brute force
• fundamental, inescapable, and unpleasant:the brute necessities of basic subsistence