Dismal, wearisome (6)
I believe the answer is:
dreary
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">dismal</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">wearisome</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for dreary that I've seen before include "avoiding exciting stuff" , "Dismal, depressing" , "Drab and dismal" , "Gloomy and dismal" , "Depressingly dull" .)