New King James Version
One dies in his full strength, Being wholly at ease and secure;

King James Bible
One dieth in his full strength, being wholly at ease and quiet.

American Standard Version
One dieth in his full strength, Being wholly at ease and quiet:

Berean Study Bible
One man dies full of vigor, completely secure and at ease.

Douay-Rheims Bible
One man dieth strong, and hale, rich and happy.

English Revised Version
One dieth in his full strength, being wholly at ease and quiet:

World English Bible
One dies in his full strength, being wholly at ease and quiet.

Young's Literal Translation
This one dieth in his perfect strength, Wholly at ease and quiet.

Job 21:23 Additional Translations ...