Duty-bound (7)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">duty-bound</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for obliged that I've seen before include "Compelled by duty" , "Made bound (to do something)" , "Bound by a favour rendered" , "Grateful - compelled" , "required" .)