Hold-ups (6)
I believe the answer is:
delays
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hold-ups</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 delays that I've seen before include "Procrastinations or postponements" , "Slows something down" , "Hinders, makes late" , "From waits" , "Lags" .)