[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 Dick"; "a wily old attorney"
[adj] of uncertain outcome; especially fraught with risk; "an extremely dicey future on a brave new world of liquid nitrogen, tar, and smog"- New Yorker
Synonyms
artful, chanceful, chancy, crafty, cunning, dangerous, dicey, foxy, guileful, knavish, slick, sly, tricksy, tricky, unsafe, wily