Brown Driver Briggs

 1. to lead, act as leader
2. to let go, let loose, ignore, let alone
  1) (Qal)
2a1. to let go, let loose
2a2. to let alone, avoid, neglect
2a3. to loosen
  2) (Niphal) to be let loose, be loosened of restraint
  3) (Hiphil)
2c1. to cause to refrain
2c2. to show lack of restraint
2c3. to let loose restraints