Proverbs 6:12
A worthless person, a wicked man, walks with a perverse mouth.
Proverbs 4:24
Put away from you a deceitful mouth, and perverse lips put far from you.
1 Samuel 17:28
And Eliab his eldest brother heard when he spoke unto the men; and Eliab's anger was kindled against David, and he said, Why came you down here? and with whom have you left those few sheep in the wilderness? I know your pride, and the insolence of your heart; for you are come down that you might see the battle.
Psalm 10:3
For the wicked boasts of his heart's desire, and blesses the covetous, whom the LORD abhors.
Psalm 10:7
His mouth is full of cursing and deceit and fraud: under his tongue is mischief and vanity.
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 devises evil; like a sharp razor, working deceitfully.
Psalm 59:7
Behold, they bellow out with their mouths: swords are in their lips: for who, say they, does hear?
Psalm 73:8-9
They are corrupt, and speak wickedly concerning oppression: they speak loftily.
Proverbs 2:12
To deliver you from the way of the evil man, from the man that speaks perverse things;
Proverbs 6:14
Perversity is in his heart, he devises evil continually; he sows discord.
Proverbs 8:13
The fear of the LORD is to hate evil: pride, and arrogance, and the evil way, and the perverse mouth, do I hate.
Proverbs 11:6
The righteousness of the upright shall deliver them: but transgressors shall be taken in their own lust.
Proverbs 16:27
An ungodly man digs up evil: and in his lips there is as a burning fire.
Proverbs 17:4
A wicked doer gives heed to false lips; and a liar gives ear to a mischievous tongue.
Jeremiah 24:2
One basket had very good figs, even 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
And as the bad figs, which cannot be eaten, they are so bad; surely thus says the LORD, So will I give Zedekiah the king of Judah, and his princes, and the rest of Jerusalem, that remain in this land, and them that dwell in the land of Egypt:
Matthew 12:34
O generation 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 of your own selves shall men arise, speaking perverse things, to draw away disciples after them.
1 Timothy 5:13
And at the same time they learn to be idle, wandering about from house to house; and not only idle, but gossips also and busybodies, speaking things which they ought not.
Titus 1:10-11
For there are many unruly and vain talkers and deceivers, especially they of the circumcision:
James 1:21
Therefore put away all filthiness and extreme wickedness, and receive with meekness the engrafted word, which is able to save your souls.
James 3:6
And the tongue is a fire, a world of iniquity: so is the tongue among our members, that it defiles the whole body, and sets on fire the course of nature; and it is set on fire by hell.