Brutal (adjective)

1. Using or involving physical force intended to hurt, damage, or kill.
2. Harsh and cruel.
3. Unsparing and relentless.

Origin:

Early 17th century: from french brutal or latin brutalis, from brutus "dull, stupid".

Examples:

1. The regime was known for its brutal repression of dissent.
2. The attack on the village was brutal and merciless.
3. The punishment was brutal and inhumane.
4. The dictator was known for his brutal regime.
5. The sport was brutal and dangerous.