bitterness vs hate

bitterness

• The quality of eliciting a bitter, humiliating or harsh feeling. 

• The quality of having a bitter taste. 

• Harsh cold. 

• The quality of feeling bitter; acrimony, resentment; the quality of exhibiting such feelings. 

hate

• Negative feedback, abusive behaviour. 

• An object of hatred. 

• Hatred. 

• Used in a phrasal verb: hate on. 

• To experience hatred. 

• To dislike intensely or greatly.