Compulsive (6)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">compulsive</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for driven that I've seen before include "Urged or forced along" , "Highly motivated (informal)" , "Forced, compelled" , "Determined" , "Propelled like a hard bargain" .)