Simpler (6)
I believe the answer is:
easier
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">simpler</span>' is the definition.<br/ ><span class="explanation-format__explanation">('easy' can be similar in meaning to 'simple')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for easier that I've seen before include "More simple" , "Less taxing" , "Less complicated" , "Less burdensome" , "Not so hard" .)