Hush-hush (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hush-hush</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for secret that I've seen before include "Unidentified" , "'Hidden, covert (6)'" , "Inner" , "Security marking" , "Confidence" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hush-hush</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 top secret that I've seen before include "As Bond mission" , "label on some classified documents" , "the knack of sleeping well?" , "Highly classified" , "As 007 mission" .)