Discouragement (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">discouragement</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for damper that I've seen before include "Depressive influence" , "Piano piece" , "Vibration reducer" , "Draught-regulating device" , "bush bread" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">discouragement</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for deterrent that I've seen before include "Something discouraging action" , "Discouragement, disincentive" , "Something that puts people off" , "Something intended to discourage" , "Weapon to discourage attack" .)