Proverbs 6:12
A worthless person, a man of iniquity, is he who walks with a perverse mouth;
Proverbs 4:24
Put away from yourself a perverse mouth. Put corrupt lips far from you.
1 Samuel 17:28
Eliab his eldest brother heard when he spoke to the men; and Eliab's anger was kindled against David, and he said, "Why have you come down? 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 that you might see the battle."
Psalm 10:3
For the wicked boasts of his heart's cravings. He blesses the greedy, and condemns Yahweh.
Psalm 10:7
His mouth is full of cursing, deceit, and oppression. Under his tongue is mischief and iniquity.
Psalm 36:3
The words of his mouth are iniquity and deceit. He has ceased to be wise and to do good.
Psalm 52:2-4
Your tongue plots destruction, like a sharp razor, working deceitfully.
Psalm 59:7
Behold, they spew with their mouth. Swords are in their lips, "For," they say, "who hears us?"
Psalm 73:8-9
They scoff and speak with malice. In arrogance, they threaten oppression.
Proverbs 2:12
to deliver you from the way of evil, from the men who speak perverse things;
Proverbs 6:14
in whose heart is perverseness, who devises evil continually, who always sows discord.
Proverbs 8:13
The fear of Yahweh is to hate evil. I hate pride, arrogance, the evil way, and the perverse mouth.
Proverbs 11:6
The righteousness of the upright shall deliver them, but the unfaithful will be trapped by evil desires.
Proverbs 16:27
A worthless man devises mischief. His speech is like a scorching fire.
Proverbs 17:4
An evildoer heeds wicked lips. A liar gives ear to a mischievous tongue.
Jeremiah 24:2
One basket had very good figs, like the figs that are first-ripe; and the other basket had very bad figs, which could not be eaten, they were so bad.
Jeremiah 24:8-10
As the bad figs, which can't be eaten, they are so bad, surely thus says Yahweh, So will I give up Zedekiah the king of Judah, and his princes, and the residue of Jerusalem, who remain in this land, and those who dwell in the land of Egypt,
Matthew 12:34
You 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
Men will arise from among your own selves, speaking perverse things, to draw away the disciples after them.
1 Timothy 5:13
Besides, they also learn to be idle, going about from house to house. Not only idle, but also gossips and busybodies, saying things which they ought not.
Titus 1:10-11
For there are also many unruly men, vain talkers and deceivers, especially those of the circumcision,
James 1:21
Therefore, putting away all filthiness and overflowing of wickedness, receive with humility the implanted word, which is able to save your souls.
James 3:6
And the tongue is a fire. The world of iniquity among our members is the tongue, which defiles the whole body, and sets on fire the course of nature, and is set on fire by Gehenna.