1. (

• slippery ,
• slippy

) causing or tending to cause things to slip or slide; "slippery sidewalks"; "a slippery bar of soap"; "the streets are still slippy from the rain" ;

2. (

• slippery ,
• tricky

) not to be trusted; "how extraordinarily slippery a liar the camera is"- James Agee ;