Main Entry: slip·pery

Pronunciation: \ˈsli-p(ə-)rē\

Function: adjective

Inflected Form(s): slip·per·i·er; slip·per·i·est

Etymology: alteration of Middle English slipper

Date: circa 1500

1 a : causing or tending to cause something to slide or fall <slippery roads> b : tending to slip from the grasp <a slippery fish>
2 a : not firmly fixed : unstable b : not precise or fixed in meaning : ambiguous, elusive
3 : not to be trusted : tricky

— slip·per·i·ness noun