Psalm 140:3

They make their tongue sharp as a serpent's, and under their lips is the venom of asps. Selah

Psalm 58:4

They have venom like the venom of a serpent, like the deaf adder that stops its ear,

Psalm 57:4

My soul is in the midst of lions; I lie down amid fiery beasts-- the children of man, whose teeth are spears and arrows, whose tongues are sharp swords.

Genesis 3:13

Then the LORD God said to the woman, "What is this that you have done?" The woman said, "The serpent deceived me, and I ate."

Psalm 52:2-3

Your tongue plots destruction, like a sharp razor, you worker of deceit.

Psalm 59:7

There they are, bellowing with their mouths with swords in their lips-- for "Who," they think,"will hear us?"

Psalm 64:3-4

who whet their tongues like swords, who aim bitter words like arrows,

Proverbs 12:18

There is one whose rash words are like sword thrusts, but the tongue of the wise brings healing.

Proverbs 23:32

In the end it bites like a serpent and stings like an adder.

Isaiah 59:3-5

For your hands are defiled with blood and your fingers with iniquity; your lips have spoken lies; your tongue mutters wickedness.

Isaiah 59:13

transgressing, and denying the LORD, and turning back from following our God, speaking oppression and revolt, conceiving and uttering from the heart lying words.

Jeremiah 9:3

They bend their tongue like a bow; falsehood and not truth has grown strong in the land; for they proceed from evil to evil, and they do not know me, declares the LORD.

Jeremiah 9:5

Everyone deceives his neighbor, and no one speaks the truth; they have taught their tongue to speak lies; they weary themselves committing iniquity.

Matthew 12:34

You brood of vipers! How can you speak good, when you are evil? For out of the abundance of the heart the mouth speaks.

Romans 3:13-14

"Their throat is an open grave; they use their tongues to deceive." "The venom of asps is under their lips."

2 Corinthians 11:3

But I am afraid that as the serpent deceived Eve by his cunning, your thoughts will be led astray from a sincere and pure devotion to Christ.

James 3:6-8

And the tongue is a fire, a world of unrighteousness. The tongue is set among our members, staining the whole body, setting on fire the entire course of life, and set on fire by hell.

Treasury of Scripture Knowledge

Summary

They have sharpened their tongues like a serpent; adders' poison is under their lips. Selah.

General references

Bible References

Sharpened

Psalm 52:2
Your tongue plots destruction, like a sharp razor, you worker of deceit.
Psalm 57:4
My soul is in the midst of lions; I lie down amid fiery beasts-- the children of man, whose teeth are spears and arrows, whose tongues are sharp swords.
Psalm 59:7
There they are, bellowing with their mouths with swords in their lips-- for "Who," they think,"will hear us?"
Psalm 64:3
who whet their tongues like swords, who aim bitter words like arrows,
Proverbs 12:18
There is one whose rash words are like sword thrusts, but the tongue of the wise brings healing.
Isaiah 59:3
For your hands are defiled with blood and your fingers with iniquity; your lips have spoken lies; your tongue mutters wickedness.
Jeremiah 9:3
They bend their tongue like a bow; falsehood and not truth has grown strong in the land; for they proceed from evil to evil, and they do not know me, declares the LORD.
James 3:6
And the tongue is a fire, a world of unrighteousness. The tongue is set among our members, staining the whole body, setting on fire the entire course of life, and set on fire by hell.

Like a serpent

Genesis 3:13
Then the LORD God said to the woman, "What is this that you have done?" The woman said, "The serpent deceived me, and I ate."
Proverbs 23:32
In the end it bites like a serpent and stings like an adder.
Matthew 12:34
You brood of vipers! How can you speak good, when you are evil? For out of the abundance of the heart the mouth speaks.
2 Corinthians 11:3
But I am afraid that as the serpent deceived Eve by his cunning, your thoughts will be led astray from a sincere and pure devotion to Christ.

Adders

Psalm 58:4
They have venom like the venom of a serpent, like the deaf adder that stops its ear,
Romans 3:13
"Their throat is an open grave; they use their tongues to deceive." "The venom of asps is under their lips."

General references

Proverbs 25:18
A man who bears false witness against his neighbor is like a war club, or a sword, or a sharp arrow.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.