unloosen
1. [ verb ] grant freedom to; free from confinement
Synonyms: free release liberate loose unloose
Related terms: confine unchain unspell parole bail run bail_out liberation free
2. [ verb ] loosen the ties of
Synonyms: unloose
Examples:

"unloose your sneakers"

Related terms: untie
Similar spelling:   unloose
  unalike