American Standard Version
The heart is deceitful above all things, and it is exceedingly corrupt: who can know it?

Berean Study Bible
The heart is deceitful above all things and beyond cure. Who can understand it?

Douay-Rheims Bible
The heart is perverse above all things, and unsearchable, who can know it?

English Revised Version
The heart is deceitful above all things, and it is desperately sick: who can know it?

King James Bible
The heart is deceitful above all things, and desperately wicked: who can know it?

World English Bible
The heart is deceitful above all things, and it is exceedingly corrupt: who can know it?

Young's Literal Translation
Crooked is the heart above all things, And it is incurable -- who doth know it?

Jeremiah 17:9 Additional Translations ...