Proverbs 4:24
Put away from thee a froward mouth, and let the lips of slander be far from thee.
Ephesians 4:25-31
Wherefore, put away lying, and speak every man truth unto his neighbor, forasmuch as we are members one of another.
Job 11:14
if thou wouldst put away the wickedness which thou hast in hand, so that no ungodliness dwelt in thy house;
Proverbs 6:12
An ungodly person, a wicked man goeth with a froward mouth,
Proverbs 8:8
All the words of my mouth are righteous, there is no frowardness nor falsity therein.
Proverbs 8:13
With me is the fear of the LORD, and the eschewing of evil. As for pride, disdain, and evil way, and a mouth that speaketh wicked things, I utterly abhor them.
Proverbs 17:20
Whoso hath a froward heart, obtaineth no good; and he that hath an overthwart tongue, shall fall into mischief.
Ezekiel 18:31
Cast away from you all your ungodliness that ye have done: make you new hearts and a new spirit. Wherefore will ye die, O ye house of Israel?
Colossians 3:8
But now put ye also away from you all things; wrath, fierceness, maliciousness, cursed speaking, filthy speaking out of your mouths.
1 Timothy 6:5
and vain disputations of men with corrupt minds, and destitute of the truth, which think that lucre is godliness. From such, separate thyself.
James 1:21
Wherefore lay apart all filthiness, all superfluity of maliciousness, and receive with meekness the word that is grafted in you, which is able to save your souls:
James 1:26
If any man among you seem devout, and refrain not his tongue: but deceive his own heart, this man's devotion is in vain.
1 Peter 2:1
Wherefore, lay aside all maliciousness, and all guile, and dissimulation, and envy, and all backbiting: