Close to closed (4)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">close to closed</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 ajar that I've seen before include "letting in a little light?" , "Barely open" , "Open by a chink" , "(Door) to, not shut" , "(Of door) slightly open" .)