Brown Driver Briggs

 1. to stumble, stagger, totter
  1) (Qal)
1a1. to stumble
1a2. to totter
  2) (Niphal)
1b1. to stumble
1b2. to be tottering, be feeble
  3) (Hiphil)
1c1. to cause to stumble, bring injury or ruin to, overthrow
1c2. to make feeble, make weak
  4) (Hophal) to be made to stumble
  5) (Piel) bereave