11 Bible Verses about Evil Speaking

Laying aside therefore all malice, and all guile, and hypocrisies, and envies, and all slander,

For there are many unruly vain talkers and deceivers, especially they of the circumcision; whose mouths must be stopped, since they overturn whole houses, teaching things which they ought not, for the sake of base gain.

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

If any one thinks that he is religious, and bridles not his tongue, but deceives his own heart, this mans religion is vain.

So also the tongue is a little member, and boasteth great things. Behold, how great a forest a little fire kindleth! And the tongue is a fire, a world of iniquity! The tongue among our members is that which defileth the whole body, and setteth on fire the wheel of life, and is itself set on fire by hell. For every kind of beasts and of birds, of creeping things and things in the sea, is tamed and hath been tamed by mankind;read more.
but the tongue can no man tame; it is a restless evil, full of deadly poison. Therewith bless we the Lord and Father, and therewith curse we men, who have been made after the likeness of God; out of the same mouth proceedeth blessing and cursing. My brethren, these things ought not so to be.

Speak not against one another, brethren; he that speaketh against his brother, or judgeth his brother, speaketh against the law, and judgeth the law; but if thou judge the law, thou art not a doer of the law, but a judge.

Know ye not, that wrongdoers shall not inherit the kingdom of God? Be not deceived; neither fornicators, nor idolaters, nor adulterers, nor the effeminate, nor abusers of themselves with mankind, nor thieves, nor the covetous, nor drunkards, nor revilers, nor extortioners, shall inherit the kingdom of God.

Their throat is an open sepulchre; with their tongues they have practised deceit. The poison of asps is under their lips.

Wherefore having put away falsehood, speak truth every one with his neighbor; for we are members one of another.

Let no foul language proceed out of your mouth, but whatever is good for edification, as the need may be, that it may benefit the hearers; and grieve not the Holy Spirit of God, whereby ye were sealed unto the day of redemption. Let all bitterness, and wrath, and anger, and clamor, and evilspeaking, be put away from you, with all malice;

neither obscenity, nor foolish talking, nor indecent jesting, which are not becoming; but rather giving of thanks.