He that justifieth the wicked — i.e., acquits. The perversion of justice was a fruitful source of evil in Israel, and a constant topic of reproach in the mouth of the prophets (1 Samuel 8:3; Psalms 82:2; Isaiah 5:7).
Related Commentaries of Proverbs 17:15
Proverbs 17:15
15 He that justifieth the wicked, and he that condemneth the just, even they both are abomination to the LORD.