Sly or cunning (5)
I believe the answer is:
leery
(Other definitions for leery that I've seen before include "In slang, wary or suspicious - reely!" , "Knowing" , "Cautious due to suspicions" , "Sly, cunning" , "Suspiciously cautious" .)
I believe the answer is:
leery
(Other definitions for leery that I've seen before include "In slang, wary or suspicious - reely!" , "Knowing" , "Cautious due to suspicions" , "Sly, cunning" , "Suspiciously cautious" .)