unleash
1. [ verb ] release or vent, as of emotions and reactions
Related terms: let_go_of uncork
2. [ verb ] release from a leash
Examples:

"unleash the dogs in the park"

Related terms: let_go_of
3. [ verb ] turn loose or free from restraint
Synonyms: loose let_loose
Examples:

"let loose mines" "Loose terrible plagues upon humanity"

Related terms: let_go_of
Similar spelling:   unlash
  unless
  unmolested
  unalike