'Bitter' in the Bible

See to it that no one fails to obtain the grace of God and that no bitter root grows up and causes you trouble, or many of you will become defiled.

But if you have bitter jealousy and rivalry in your hearts, stop boasting and slandering the truth.

The name of the star is Wormwood. One-third of the water turned into wormwood, and many people died from the water because it had turned bitter.

So I went to the angel and asked him to give me the small scroll. "Take it and eat it," he told me. "It will turn bitter in your stomach, but it will be as sweet as honey in your mouth."

So I took the small scroll from the angel's hand and ate it. It was as sweet as honey in my mouth, but when I had eaten it, it turned bitter in my stomach.