Hate is when someone pisses you off so much they cause you to go fucking apeshit
when they cross your mind. Your heart rate will speed up and feel fucking fury inside your brain. You loathe and despise but to a much greater extent. If that person died, you would not not care, you would laugh and spit on their carcass. When you feel hatred, you think murder is perfectly acceptable and you don't give a shit what happens. You could possibly go crazy if you let your hatred the most of you.
To be honest, it really is hard to describe hate in a universal term. Everyone has a different point of view on a definition for hate. What I said is how I feel when I hate someone. Hate is what drives some people, it has taken over their conscience. We know these as serial killers, psycopaths, terrorist, dictators, tyrants, warmongers etc. I do believe there is a big difference between anger and hatred. Anger is mostly caused from a brief period of frustration and you get over it eventually. Hate is sort of like a disease that's take over your mind and body. Everyone hates something or someone there's no denying that, but don't think about it or you will snap one day, like I did.