Correct in every detail (5)
I believe the answer is:
exact
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">correct in every detail</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 exact that I've seen before include "Rigorous" , "19 [WREST]" , "Completely accurate" , "Not approximate, precise" , "on the money" .)