No longer living (7)
I believe the answer is:
extinct
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">no longer living</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 extinct that I've seen before include "(Species) lost" , "No longer in existence" , "Long gone, like te dinosaur" , "(Of species) no longer living" , "Having died out, perished" .)