Chat, gossip (6)
I believe the answer is:
natter
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">chat</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">gossip</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for natter that I've seen before include "Talk socially without exchanging too much information" , "Talk idly" , "Chat casually" , "Chinwag" , "Chat busily" .)