Neither very good nor very bad (4)
(Other definitions for soso that I've seen before include "mediocre" , "Indifferent" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">neither very good nor very bad</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 so-so that I've seen before include "Nothing to write home about" , "Tolerable, indifferent" , "Of average quality" , "Native of Seville" , "Fair to middling" .)