[adj] being such as to cause things to slip or slide; "slippery sidewalks"; "a slippery bar of soap"; "the streets are still slippy from the rain"
[adj] not to be trusted; "how extraordinarily slippery a liar the camera is"- James Agee
Synonyms
lubricious, nonstick, slick, sliding, slimed, slimy, slipping, slippy, slithering, slithery, tricky, untrustworthy, untrusty