Brute (noun)

1. An animal, especially a large mammal.
2. A person who is violent and uncontrolled, lacking human qualities such as compassion and reason.
3. A thing that is big and strong, but not intelligent.

Origin:

Middle english: from old french brut, from latin brutus "dull, stupid".

Examples:

1. The lion is considered to be the king of the brutes.
2. He was a brute of a man, with a thick neck and broad shoulders.
3. The brute force of the storm knocked down the tree.
4. He was accused of committing the crime with brute force.
5. The engine's brute power made the car go faster.