'Bitterly' in the Bible

"Curse Meroz, says the angel of the LORD, curse bitterly its inhabitants, because they came not to the help of the LORD, to the help of the LORD against the mighty.

And the people came to Bethel, and sat there till evening before God, and they lifted up their voices and wept bitterly.

And she said to them, Call me not Naomi call me Mara; for the Almighty has dealt very bitterly with me.

And as soon as he had ended speaking, behold, the king's sons came, and lifted up their voice and wept; and the king also and all his servants wept very bitterly.

Therefore said I, Look away from me; let me weep bitterly: labour not to comfort me, because of the spoiling of the daughter of my people.

Behold, their valiant ones cry without; the messengers of peace weep bitterly.

and shall cause their voice to be heard over thee, and shall cry bitterly; and they shall cast up dust upon their heads; they shall wallow themselves in ashes.

Ephraim provoked him to anger most bitterly; and his Lord shall leave his blood upon him, and recompense unto him his reproach.

The great day of Jehovah is near, it is near, and hasteth greatly. The voice of the day of Jehovah: the mighty man shall cry there bitterly.

And Peter remembered the word of Jesus, who had said to him, Before the cock crow thou shalt deny me thrice. And he went forth without, and wept bitterly.

And Peter, going forth without, wept bitterly.