Very particular (5)
I believe the answer is:
fussy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">very particular</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for fussy that I've seen before include "Overprecise" , "Busy" , "Fastidious, concerned about minor details" , "Finicky, picky" , "Cluttered with detail or exacting about details" .)