1. Turn loose or free from restraint
   "They unleashed the dogs in the park";
   - let loose, loose
    
2. Release from a leash
   "unleash the dogs in the park"
    
3. Release or vent
   "unleash one's anger"

Derived forms: unleashing, unleashes, unleashed

Type of: let go, let go of, release, relinquish

Encyclopedia: Unleash