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.
source: WordNet 3.0
Having the quality opposite to adhesiveness; allowing or causing anything to slip or move smoothly, rapidly, and easily upon the surface; smooth; glib; as, oily substances render things slippery.
source: Webster 1913
adjective satellite
not to be trusted
How extraordinarily slippery a liar the camera is.
