Source : WordNet®

tricksy
     adj : marked by skill in deception; "cunning men often pass for
           wise"; "deep political machinations"; "a foxy scheme";
           "a slick evasive answer"; "sly as a fox"; "tricky Dik";
           "a wily old attorney" [syn: {crafty}, {cunning}, {dodgy},
            {foxy}, {guileful}, {knavish}, {slick}, {sly}, {tricky},
            {wily}]
     [also: {tricksiest}, {tricksier}]

tricksiest
     See {tricksy}