Acts 8:23
for I see you are in the gall of bitterness and bond of wickedness.
Romans 1:31
unintelligent, covenant-breakers, without natural affection, unmerciful,
2 Timothy 3:3
without natural affection, covenant breakers, slanderers, intemperate, ungentle, despisers of the good,
Hebrews 12:15
taking care that no one may come short of the grace of God, that no root of bitterness springing up may make trouble and by it many be defiled,
Revelation 8:10-11
And the third angel sounded; and there fell from heaven a great star, burning like a lamp, and it fell on a third part of the rivers and on the fountains of waters.