'Cursing' in the Bible

Now concerning everything which I have said to you, be on your guard; do not mention the name of other gods [either in a blessing or in a curse]; do not let such speech be heard [coming] from your mouth.

But the king said, “What business is this of yours, O sons of Zeruiah? If Shimei is cursing because the Lord said to him, ‘Curse David,’ then who should say, ‘Why have you done so?’”

Perhaps the Lord will look on the wrong done to me [by Shimei, if he is acting on his own]; and [in that case perhaps] the Lord will this day return good to me in place of his cursing.”

“No, I have not allowed my mouth to sinBy cursing my enemy and asking for his life.

His mouth is full of curses and deceit (fraud) and oppression;Under his tongue is mischief and wickedness [injustice and sin].

For the sin of their mouths and the words of their lips,Let them even be trapped in their pride,And on account of the curses and lies which they tell.

He also loved cursing, and it came [back] to him;He did not delight in blessing, so it was far from him.

He clothed himself with cursing as with his garment,And it seeped into his inner self like waterAnd like [anointing] oil into his bones.

He who blesses his neighbor with a loud voice early in the morning,It will be counted as a curse to him [for it will either be annoying or his purpose will be suspect].

Also, do not take seriously everything that is said, so that you will not hear your servant cursing you,

Then one’s uncle, or his undertaker, shall come to bring the [disease-infected] body out of the house, [to cremate it], and he will say to another in the farthest part of the house, “Is there anyone else with you?” And that one will say, “No one.” Then he will respond, “Hush! Keep quiet! For the name of the Lord is not to be mentioned [even casually, for fear that we might invoke even more punishment].”

“Their mouth is full of cursing and bitterness.”

Out of the same mouth come both blessing and cursing. These things, my brothers, should not be this way [for we have a moral obligation to speak in a manner that reflects our fear of God and profound respect for His precepts].

They have eyes full of adultery, constantly looking for sin, enticing and luring away unstable souls. Having hearts trained in greed, [they are] children of a curse.