adjective, slip·per·i·er, slip·per·i·est.
Origin of slippery
Related Words for slipperiersilky, polished, unsafe, icy, unstable, wet, glistening, perilous, greasy, tricky, elusive, treacherous, smooth, slick, unpredictable, shifty, glassy, glazed, lustrous, satiny
Examples from the Web for slipperier
Historical Examples of slipperier
Word Origin for slippery
"having a slippery surface," c.1500, from Middle English sliper (adj.) "readily slipping," from Old English slipor "slippery, having a smooth surface" (see slip (v.)) + -y (2). Metaphoric sense of "deceitful, untrustworthy" is first recorded 1550s. Related: Slipperiness. In a figurative sense, slippery slope is first attested 1844. Slippery elm (1748) so called for its mucilaginous inner bark.