Good enough (8)
(Other definitions for adequate that I've seen before include "up to the job?" , "Good enough, acceptable" , "Barely sufficient" , "Passable; enough" , "Passable but not great" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">good enough</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for passable that I've seen before include "Barely adequate" , "Merely satisfactory" , "All right" , "OK" , "examinations should be!" .)