Brown Driver Briggs

 1. to swear, adjure
  1) (Qal) sworn (participle)
  2) (Niphal)
1b1. to swear, take an oath
1b2. to swear (of Jehovah by Himself)
1b3. to curse
  3) (Hiphil)
1c1. to cause to take an oath
1c2. to adjure