dodgy

Adj.	1.	dodgy - 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: chanceful, chancy, dicey
	2.	dodgy - 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" Synonyms: foxy, guileful, knavish, crafty, sly, tricksy, wily, cunning, tricky, slick

dodgy - Synonym with flaky. Preferred outside the US