From WordNet (r) 3.0 (2006):
foxy
adj 1: 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 Dick"; "a
wily old attorney" [syn: crafty, cunning, dodgy,
foxy, guileful, knavish, slick, sly, tricksy,
tricky, wily]