Clerical (5-6)
I believe the answer is:
white-collar
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">clerical</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for white-collar that I've seen before include "Designating those other than manual workers" , "Relating to non-manual workers" , "Pertaining to salaried professional" .)