Proverbs 6:16-19
There are six things that the LORD hates, seven that are detestable to Him: / haughty eyes, a lying tongue, hands that shed innocent blood, / a heart that devises wicked schemes, feet that run swiftly to evil, ...

Jeremiah 9:3-5
“They bend their tongues like bows; lies prevail over truth in the land. For they proceed from evil to evil, and they do not take Me into account,” declares the LORD. / “Let everyone guard against his neighbor; do not trust any brother, for every brother deals craftily, and every friend spreads slander. / Each one betrays his friend; no one tells the truth. They have taught their tongues to lie; they wear themselves out committing iniquity.

Micah 6:12
For the wealthy of the city are full of violence, and its residents speak lies; their tongues are deceitful in their mouths.

Isaiah 59:3-4
For your hands are stained with blood, and your fingers with iniquity; your lips have spoken lies, and your tongue mutters injustice. / No one calls for justice; no one pleads his case honestly. They rely on empty pleas; they tell lies; they conceive mischief and give birth to iniquity.

Hosea 4:1-2
Hear the word of the LORD, O children of Israel, for the LORD has a case against the people of the land: “There is no truth, no loving devotion, and no knowledge of God in the land! / Cursing and lying, murder and stealing, and adultery are rampant; one act of bloodshed follows another.

Proverbs 12:22
Lying lips are detestable to the LORD, but those who deal faithfully are His delight.

Proverbs 19:5
A false witness will not go unpunished, and one who utters lies will not escape.

Psalm 5:9
For not a word they speak can be trusted; destruction lies within them. Their throats are open graves; their tongues practice deceit.

Psalm 10:7
His mouth is full of cursing, deceit, and violence; trouble and malice are under his tongue.

Psalm 36:3
The words of his mouth are wicked and deceitful; he has ceased to be wise and well-doing.

Psalm 58:3
The wicked are estranged from the womb; the liars go astray from birth.

Psalm 64:3-4
who sharpen their tongues like swords and aim their bitter words like arrows, / ambushing the innocent in seclusion, shooting suddenly, without fear.

Psalm 120:2-3
Deliver my soul, O LORD, from lying lips and a deceitful tongue. / What will He do to you, and what will be added to you, O deceitful tongue?

Matthew 12:34-37
You brood of vipers, how can you who are evil say anything good? For out of the overflow of the heart the mouth speaks. / The good man brings good things out of his good store of treasure, and the evil man brings evil things out of his evil store of treasure. / But I tell you that men will give an account on the day of judgment for every careless word they have spoken. ...

John 8:44
You belong to your father, the devil, and you want to carry out his desires. He was a murderer from the beginning, refusing to uphold the truth, because there is no truth in him. When he lies, he speaks his native language, because he is a liar and the father of lies.