New Living Translation
The person who strays from common sense will end up in the company of the dead.

American Standard Version
The man that wandereth out of the way of understanding Shall rest in the assembly of the dead.

Berean Study Bible
The man who strays from the path of understanding will rest in the assembly of the dead.

Douay-Rheims Bible
A man that shall wander out of the way of doctrine, shall abide in the company of the giants.

English Revised Version
The man that wandereth out of the way of understanding shall rest in the congregation of the dead.

King James Bible
The man that wandereth out of the way of understanding shall remain in the congregation of the dead.

World English Bible
The man who wanders out of the way of understanding shall rest in the assembly of the dead.

Young's Literal Translation
A man who is wandering from the way of understanding, In an assembly of Rephaim resteth.

Proverbs 21:16 Additional Translations ...