Easily yielding to pressure (4)
I believe the answer is:
soft
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">easily yielding to 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 soft that I've seen before include "Mild" , "firm? On the contrary" , "Pliable" , "Giving little resistance" , "Not hard, rough or harsh" .)