'Bitter' in the Bible

The king of Israel went home to Samaria bitter and angry.

So Ahab went into his palace, bitter and angry that Naboth the Jezreelite had said, "I will not sell to you my ancestral inheritance." He lay down on his bed, pouted, and would not eat.

Then his wife Jezebel came in and said to him, "Why do you have a bitter attitude and refuse to eat?"