Emmets (4)
I believe the answer is:
ants
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">emmets</span>' is the definition.<br/ ><span class="explanation-format__explanation">('ant' can be a synonym of 'emmet')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for ants that I've seen before include "Six-foot insects" , "workers found returning" , "Small social insects" , "24 [INSECT] s" , "Inhabitants of a formicary" .)