Specialised (9)
I believe the answer is:
technical
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">specialised</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for technical that I've seen before include "- Drawing; - foul" , "Requiring specialist knowledge" , "relating to a particular craft" , "Scientific" , "specialising in applied science" .)