11 Bible Verses about Evil Speaking

Having, therefore, put away all wickedness, and all guile, and hypocrisy, and envies, and all evil speakings,

For there are many unruly men, vain-talkers and deceivers, especially those of the circumcision, whom it is needful to reduce to silence: who, indeed, are overthrowing whole houses, teaching what they ought not, for the sake of base gain.

to speak evil of no one, to be averse to strife, to be mild, showing all meekness to all men.

If anyone thinks that he is religious, while he bridles not his own 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 small a fire kindles how great a forest! And the tongue is a fire, the world of iniquity! the tongue is placed among our members, as that which defiles the whole body, and sets on fire the course of life, and is set on fire by Hell. For every nature, both of wild beasts and birds, both of creeping things and things in the sea, is tamed, and has been tamed, by mankind;read more.
but the tongue no man can tame; a restless evil, full of deadly poison! Therewith we bless the Lord and Father; and therewith we curse men, who have been made after the likeness of God. Out of the same mouth come forth blessing and cursing! My brethren, these things ought not so to be.

Speak not one against another, brethren. He that speaks against a brother, or judges his brother, speaks against the law, and judges the law; but, if you judge the law, you are not a doer of the law, but a judge.

Or know ye not that the unrighteous shall not inherit the Kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with men, nor thieves, nor covetous, nor drunkards, nor revilers, nor extortioners, shall inherit the Kingdom of God.

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

Wherefore, having put away false-hood, speak ye truth each one with his neighbor, because we are members one of another.

Let no corrupt speech proceed out of your mouth, but whatever is good for the supplying of the need, that it may give grace to those who hear. And grieve not the Holy Spirit of God, in Whom ye were sealed unto the day of redemption. Let all bitterness, and wrath, and anger, and clamor, and reviling, be put away from you, with all wickedness;

nor filthiness, nor foolish talking, nor jesting, which are not becoming, but rather thanks-giving.