Scold constantly (3)
I believe the answer is:
nag
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">scold constantly</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 nag that I've seen before include "Scold like an old horse" , "Termagant" , "Be persistently painful" , "old trout?" , "Equine" .)