Proverbs 2:15 New English Translation

¹⁵whose paths^[a] are morally crooked,^[b]
and who are devious^[c] in their ways;

Proverbs 2:15 tn The noun in this relative clause is an accusative of specification: The evil people are twisted with respect to their paths/conduct.
Proverbs 2:15 tn Heb “crooked.” The adjective עִקֵּשׁ (ʿiqqesh, “crooked; twisted”) uses the morphological pattern of adjectives that depict permanent bodily defects, e.g., blindness, lameness. Their actions are morally defective and, apart from repentance, are permanently crooked and twisted.
Proverbs 2:15 tn The Niphal participle of לוּז (luz, “devious; crooked”) describes conduct that is morally deceptive, crafty, and cunning (Isa 30:12).

New English Translation (NET)