πικρία

For I perceive that thou art in the gall of bitterness, and in the bond of iniquity.

Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:

Looking diligently lest any man fail of the grace of God; lest any root of bitterness springing up trouble you, and thereby many be defiled;

Whose mouth is full of cursing and bitterness: