Remain behind
(Other definitions for lag that I've seen before include "Prisoner" , "trail" , "Drag one's feet" , "person inside" , "Hang back" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">remain behind</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for stay that I've seen before include "Check" , "Visit (for the night)" , "Rope to brace an upright" , "Arrest" , "Stanchion" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">remain behind</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for hang back that I've seen before include "Show reluctance" , "Remain behind" , "Get behind" .)