Brown Driver Briggs

 1. to be desolate, be appalled, stun, stupefy
  1) (Qal)
1a1. to be desolated, be deflowered, be deserted, be appalled
1a2. to be appalled, be awestruck
  2) (Niphal)
1b1. to be desolated, be made desolate
1b2. to be appalled
  3) (Polel)
1c1. to be stunned
1c2. appalling, causing horror (participle)
1c  1) horror-causer, appaller (subst)
  4) (Hiphil)
1d1. to devastate, ravage, make desolated
1d2. to appal, show horror
  5) (Hophal) to lay desolate, be desolated
  6) (Hithpolel)
1f1. to cause to be desolate
1f2. to be appalled, be astounded
1f3. to cause oneself desolation, cause oneself ruin