D defs.my
Entry 7 senses Webster, 1913

Slippery

/slĭp'-ẽr-ē/ · Slip·per·y · IPA /ˈslɪpəɹi/
01 a. Having the quality opposite to adhesiveness; allowing or causing anything to slip or move smoothly, rapidly, and easily upon the surface; s…
  1. 1.
    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.
  2. 2.
    Not affording firm ground for confidence; as, a slippery promise.
    “The slippery tops of human state.” — Cowley.
  3. 3.
    Not easily held; liable or apt to slip away.
    “The slippery god will try to loose his hold.” Dryden.
  4. 4.
    Liable to slip; not standing firm.
  5. 5.
    Unstable; changeable; mutable; uncertain; inconstant; fickle.
  6. 6.
    Uncertain in effect.
  7. 7.
    Wanton; unchaste; loose in morals.
Phrases & compounds
Slippery elm — An American tree (Ulmus fulva) with a mucilagenous and slightly aromatic inner bark which is sometimes used medicinally; also, the inner bark itself