Play (with) (7)
I believe the answer is:
twiddle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">play with</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for twiddle that I've seen before include "Adjust" , "Play with and twist around" , "Idly rotate (one's thumbs?)" , "Jiggle" , "Twirl (thumbs?)" .)