American Standard Version
And they will deceive every one his neighbor, and will not speak the truth: they have taught their tongue to speak lies; they weary themselves to commit iniquity.

Berean Study Bible
Each one betrays his friend; no one tells the truth. They have taught their tongues to lie; they wear themselves out committing iniquity.

Douay-Rheims Bible
And a man shall mock his brother, and they will not speak the truth: for they have taught their tongue to speak lies: they have laboured to commit iniquity.

English Revised Version
And they will deceive every one his neighbour, and will not speak the truth: they have taught their tongue to speak lies; they weary themselves to commit iniquity.

King James Bible
And they will deceive every one his neighbour, and will not speak the truth: they have taught their tongue to speak lies, and weary themselves to commit iniquity.

World English Bible
They will deceive everyone his neighbor, and will not speak the truth: they have taught their tongue to speak lies; they weary themselves to commit iniquity.

Young's Literal Translation
And each at his friend they mock, And truth they do not speak, They taught their tongue to speak falsehood, To commit iniquity they have laboured.

Jeremiah 9:5 Additional Translations ...