hate 
(hāt)
(hāt)v. hat·ed, hat·ing, hates
v.tr.
1. To feel strong dislike for or hostility toward: rivals who hate each other.
2. To feel dislike or distaste for: hates washing dishes; hates to get up early.
3. To be disinclined (to do something) out of politeness or a need to apologize: I hate to interrupt, but can I ask you a quick question?
v.intr.
To feel hatred.
n.
Idiom: Intense animosity or dislike; hatred.
hate on (someone) Slang
To ridicule, insult, or act hatefully toward: Stop hating on them—they're my friends.
[Middle English haten, from Old English hatian. N., Middle English, from Old English hete.]
hater n.