[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] having concealed difficulty; "a catchy question"; "a tricky recipe to follow"
[adj] not to be trusted; "how extraordinarily slippery a liar the camera is"- James Agee
Synonyms
artful, catchy, crafty, cunning, difficult, dodgy, foxy, guileful, hard, knavish, slick, slippery, sly, tricksy, untrustworthy, untrusty, wily