Proverbs 6:12
A worthless person, a wicked man walks with a crooked mouth,
Proverbs 4:24
Put away from you a wicked mouth, and devious lips put far from you.
1 Samuel 17:28
And his oldest brother Eliab heard when he spoke to the men. And Eliab's anger was kindled against David. And he said, Why have you come down? And with whom have you left those few sheep in the wilderness? I know your pride and the naughtiness of your heart. For you have come down to see the battle.
Psalm 10:3
For the wicked boasts of his heart's desire, and blesses the covetous whom Jehovah despises.
Psalm 10:7
His mouth is full of cursing and deceit and fraud; under his tongue are mischief and vanity.
Psalm 36:3
The words of his mouth are evil and deceit; he has stopped acting wisely and doing good.
Psalm 52:2-4
Your tongue devises evil, like a sharp razor, working deceitfully.
Psalm 59:7
Behold, they bellow out with their mouth; swords are in their lips; for they say, Who hears?
Psalm 73:8-9
They scoff and speak in malice of cruelty; from on high they speak.
Proverbs 2:12
to deliver you from the way of the evil man, from the man who speaks wicked things;
Proverbs 6:14
perversity is in his heart; he is always planning mischief; he causes fighting.
Proverbs 8:13
The fear of Jehovah is to hate evil; I hate pride, and arrogance, and the evil way, and the wicked mouth.
Proverbs 11:6
The righteousness of the upright shall deliver them, but deceivers shall be taken in lust.
Proverbs 16:27
An ungodly man plots evil, and his lips are like a burning fire.
Proverbs 17:4
A wicked doer gives heed to false lips; a liar gives ear to an evil tongue.
Jeremiah 24:2
one basket had very good figs, like the first ripe figs. And the other basket had very bad figs, which could not be eaten, they were so bad.
Jeremiah 24:8-10
And like the bad figs, which cannot be eaten, they are so bad; surely so says Jehovah, So I will give to Zedekiah the king of Judah, and his rulers, and the rest of Jerusalem who remain in this land, and those who dwell in the land of Egypt;
Matthew 12:34
Offspring of vipers! How can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks.
Acts 20:30
Also men shall arise from your own selves, speaking perverse things in order to draw disciples away after them.
1 Timothy 5:13
And with it all they also learn to be idle, going around the houses; and not only idle, but tattlers also and busybodies, speaking things they ought not.
Titus 1:10-11
For there are indeed many unruly men, vain talkers and deceivers, especially those of the circumcision,
James 1:21
Therefore putting aside all filthiness and overflowing of evil, receive in meekness the implanted Word, which is able to save your souls.
James 3:6
And the tongue is a fire, a world of iniquity. So the tongue is set among our members, spotting all the body and inflaming the course of nature, and being inflamed by hell.