Speech impediments (5)
I believe the answer is:
lisps
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">speech impediments</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lisps that I've seen before include "Speech defects" , "Speaks with defective sibilants" , "Slips (anag.)" .)