Revelation 8:11

And the star was called "Wormwood" [Note: The Greek word here means "bitter," See Lam. 3:15 ASV], and one third of the waters became wormwood [i.e., bitter], and many people died from the waters because they had become bitter.

Treasury of Scripture Knowledge

Summary

Therefore thus saith the LORD of hosts, the God of Israel; Behold, I will feed them, even this people, with wormwood, and give them water of gall to drink.

Bible References

I will

Revelation 8:11
And the star was called "Wormwood" [Note: The Greek word here means "bitter," See Lam. 3:15 ASV], and one third of the waters became wormwood [i.e., bitter], and many people died from the waters because they had become bitter.