'Bitter' in the Bible

Your wickedness will be punished, and you will be corrected due to your acts of apostasy. Know and see that it's evil and bitter for you to forsake the LORD your God, but the fear of me is not in you," declares the Lord GOD of the Heavenly Armies.

"Your lifestyles and your actions have brought these things on you. This is your calamity it is indeed bitter, for it has reached your heart!"

Daughter of my people, put on sackcloth and roll in ashes. Mourn with bitter wailing, as one mourns at the death of an only son. For the destroyer will come on us suddenly.

This is what the LORD says: "A voice is heard in Ramah, lamentation and bitter crying. Rachel is crying, and she refuses to be comforted for her children, because they are no longer alive."

Indeed, at the ascent of Luhith people will go up with bitter weeping. At the descent of Horonaim the anguished cries over the destruction will be heard.