Verb: unloosen ,ún'loo-sun- Loosen the ties of
"He unloosened his tie";
- unloose
- Grant freedom to; free from confinement
"The activists worked to unloosen the political prisoners";
- free, liberate, release, unloose, loose
Derived forms: unloosens, unloosening, unloosened
Type of: alter, change, modify, unbrace, unlace, untie