Compelled; strained (6)
I believe the answer is:
forced
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">compelled</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(forcing is a kind of compelling)</span><br/ ><br/ >'<span class="explanation-format__original">strained</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that strained can be written as forced)</span><br/ ><br/ ></span>
(Other definitions for forced that I've seen before include "compulsory" , "Not natural" , "Like early rhubarb" , "Compelled, made to obey" , "Compelled or strained" .)