'Bitter' in the Bible

and the people stood looking on. The Rulers, too, repeatedly uttered their bitter taunts. "This fellow," they said, "saved others: let him save himself, if he is God's Anointed, the Chosen One."

And the men of the army made sport of him, coming to him and giving him bitter wine

And one of the evil-doers on the cross, with bitter feeling, said to him, Are you not the Christ? Get yourself and us out of this.