Untrusting (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">untrusting</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for leery that I've seen before include "Knowing" , "Shy" , "Sly, cunning" , "Cautious due to suspicions" , "Suspiciously cautious" .)
(Other definitions for sceptical that I've seen before include "Disinclined to believe" , "dubious" , "Inclined not to believe" , "Inclined to doubt accepted opinions" , "Inclined to disbelieve, not convinced" .)