slippery Synonyms

slippy slimy tricky greasy slick syrtis timeserving syrt treacherous tallowy vitreous trustless unassured unctuous underhand underhanded suety subreptitious silky sleek sleeky slicker sliddery sliding suant sly smeary smooth snaky sneaky snide soapy unguent unguentary lubricated lubricious smarmy machiavellian cagey cunningham nonstick slithery fly-by-night unpredictable unsafe slithering undependable untrusty dodgy two-faced