Unshackle (7)
I believe the answer is:
unchain
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unshackle</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for unchain that I've seen before include "Free" , "Release from bondage" , "Release from fetters" , "loose" .)