Revelation 8:11
The name of the star is Wormwood. A third of the waters turned bitter like wormwood oil, and many people died from the bitter waters.

Deuteronomy 29:18
Make sure there is no man or woman, clan or tribe among you today whose heart turns away from the LORD our God to go and worship the gods of those nations. Make sure there is no root among you that bears such poisonous and bitter fruit,

Jeremiah 8:14
"Why are we just sitting here? Gather together, let us flee to the fortified cities and perish there, for the LORD our God has doomed us. He has given us poisoned water to drink, because we have sinned against the LORD.

Jeremiah 9:15
Therefore, this is what the LORD of Hosts, the God of Israel, says: "Behold, I will feed this people wormwood and give them poisoned water to drink.

Jeremiah 14:15
Therefore, this is what the LORD says about the prophets who prophesy in My name, though I did not send them, and who say, 'No sword or famine will touch this land.' By sword and famine these very prophets will meet their end!

Lamentations 3:5
He has besieged me and surrounded me with bitterness and hardship.

Zechariah 13:2
And on that day, declares the LORD of Hosts, I will erase the names of the idols from the land, and they will no longer be remembered. I will also remove the prophets and the unclean spirit from the land.