Unnatural
Part of speech: adjective
Definition: Not natural; supernatural or artificial.
Example sentence: The Vietnam War required us to emphasize the national interest rather than abstract principles. What President Nixon and I tried to do was unnatural. And that is why we didn't make it.
Violent
Part of speech: adjective
Definition: Involving extreme force or motion.Involving physical conflict.Likely to use physical force.Intensely vivid.
Example sentence: Police cannot be allowed to continue aggressive, violent, and often unconstitutional policing with impunity.