Brown Driver Briggs

 1. to bend, twist, distort
  1) (Niphal) to be bent, be bowed down, be twisted, be perverted
  2) (Piel) to twist, distort
  3) (Hiphil) to do perversely
2. to commit iniquity, do wrong, pervert
  1) (Qal) to do wrong, commit iniquity
  2) (Hiphil) to commit iniquity