2 adjectives to describe slippery

When the wood paving becomes a little slippery, go to your granite heaps which belong to this commission, or to your fine sifted cinder heaps, and let that be strewed over the surface; that contains no earthy particles, and will, when it becomes imbedded in the wood, form such a surface that there cannot be any possibility be any slipperiness(hear, hear!)

I walked or waded through a number of miry little streets where all manner of refuse was in a saturated or deliquescent statecabbage-stumps and dead rats floating in the gutters, potato-peelings and bean-pods sticking to the mediaeval pitchingeverything slippery, nasty, and abominable.

2 adjectives to describe  slippery