Free from restraint (8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">free from restraint</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for loose that I've seen before include "Not fixed; inexact" , "Unattached" , "Unfettered" , "Not firmly fixed" , "untidy" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">free from restraint</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for untie that I've seen before include "Take off fastenings" , "Release bindings or shoelaces" , "Loose bonds" , "Let loose" , "Undo, unlace" .)
(Other definitions for uncage that I've seen before include "Release from behind bars" , "Release from captivity" , "Release from confinement" .)
(Other definitions for unshackle that I've seen before include "Set free from bonds" , "Release from chains" .)
'free' is the definition.
(I've seen this before)
'from restraint' is the wordplay.
'from' becomes 'un' (I can't justify this - if you can you should believe this answer much more).
'restraint' becomes 'fetter' (fetter is a kind of restraint).
'un'+'fetter'='UNFETTER'
Can you help me to learn more?
(Other definitions for unfetter that I've seen before include "free" , "Unchain, unshackle" .)