Discourages (6)
I believe the answer is:
deters
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">discourages</span>' is the definition.<br/ ><span class="explanation-format__explanation">('deter' can be a synonym of 'discourage')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for deters that I've seen before include "Persuades or discourages from doing" , "is discouraging" , "Discourages or prevents from doing something" , "Discourages or hinders" , "Puts off" .)