From WordNet (r) 2.0 (August 2003) [wn]:
tricky
adj 1: not to be trusted; "how extraordinarily slippery a liar the
camera is"- James Agee; "they called Reagan the teflon
president because mud never stuck to him" [syn:
slippery, teflon]
2: having concealed difficulty; "a catchy question"; "a tricky
recipe to follow" [syn: catchy]
3: 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, tricksy,
wily]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Tricky \Trick"y\, a.
Given to tricks; practicing deception; trickish; knavish.
[1913 Webster]