11 Bible Verses about Evil Speaking

Therefore, laying aside all malice, and all guile, and hypocrisies, and envyings, and all evil speakings,

For there are many unruly and vain talkers and deceivers, especially those of the circumcision, whose mouths must be stopped: these subvert whole houses by teaching, for the sake of base gain, things which they ought not to teach.

to revile no one, not to be contentious, but gentle, showing all meekness to all men.

If any one among you seems to be religious, and bridles not his tongue, but deceives his own heart, this man's religion is vain.

So, also, the tongue is a little member, and boasts great things. Behold, how great a forest does a little fire set in a blaze. And the tongue is a fire, the world of iniquity. So is the tongue placed among our members, defiling the whole body, setting on fire the course of life, and being set on fire by hell. For every kind of beasts and of birds, of creeping things and of things in the sea, is tamed, and has been tamed by man:read more.
but the tongue no man can tame; it is an unruly evil; it is full of deadly poison. With it we bless God, even the Father: and with it we curse men, who are made in the likeness of God. Out of the same mouth come forth blessing and cursing. These things, my brethren, ought not so to be.

Do not speak evil one of another, brethren. He that speaks evil of his brother, and judges his brother, speaks evil of the law, and judges the law: but if you judge the law, you are not a doer of the law, but a judge.

Know you not that the unrighteous shall not inherit the kingdom of God? Be not deceived; neither lewd persons, nor idolaters, nor adulterers, nor catamites, nor sodomites, nor thieves, nor defrauders, nor drunkards, nor revilers, nor extortioners, shall inherit the kingdom of God.

their throat is an open sepulcher; with their tongues they have used deceit; the poison of asps is under their lips;

For which reason, putting away lying, speak, every one, truth with his neighbor: for we are members one of another.

Let no impure speech come out of your mouth, but whatever is good for needful edification, that it may give grace to the hearers: and grieve not the Holy Spirit of God, with which you have been sealed for the day of redemption. Let all bitterness and anger and wrath and clamor and impious speaking be put away from you, with all malice:

nor obscene language, nor foolish talking, nor jesting, which are not becoming; but rather the cheerful words of. a thankful heart.