1. (

• chancy ,
• chanceful ,
• dicey ,
• 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 ;

2. (

• crafty ,
• cunning ,
• dodgy ,
• foxy ,
• guileful ,
• knavish ,
• slick ,
• sly ,
• tricksy ,
• tricky ,
• wily

) 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" ;