All-powerful (10)
I believe the answer is:
omnipotent
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">all-powerful</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for omnipotent that I've seen before include "Almighty" , "All-powerful" .)