Delay, loiter (6)
I believe the answer is:
linger
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">delay</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">loiter</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for linger that I've seen before include "Dally, stay on" , "Remain behind" , "Remain for long" , "Hang back awhile" , "Delay departure" .)