Under pressure (8)
I believe the answer is:
stressed
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">under pressure</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 stressed that I've seen before include "Emphasized or attached importance to" , "Singled out as important" , "Emphasised, underlined" , "Physically or mentally overexerted" , "Insisted" .)