資料來源 : pyDict

滑的,光滑的,靠不住的,圓滑的,不穩固的,含糊的

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Slippery \Slip"per*y\, a. [See {Slipper}, a.]
   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. Not affording firm ground for confidence; as, a slippery
      promise.

            The slippery tops of human state.     --Cowley.

   3. Not easily held; liable or apt to slip away.

            The slippery god will try to loose his hold.
                                                  --Dryden.

   4. Liable to slip; not standing firm. --Shak.

   5. Unstable; changeable; mutable; uncertain; inconstant;
      fickle. ``The slippery state of kings.'' --Denham.

   6. Uncertain in effect. --L'Estrange.

   7. Wanton; unchaste; loose in morals. --Shak.

   {Slippery elm}. (Bot.)
      (a) An American tree ({Ulmus fulva}) with a mucilagenous
          and slightly aromatic inner bark which is sometimes
          used medicinally; also, the inner bark itself.
      (b) A malvaceous shrub ({Fremontia Californica}); -- so
          called on the Pacific coast.

資料來源 : WordNet®

slippery
     adj 1: being such as to cause things to slip or slide; "slippery
            sidewalks"; "a slippery bar of soap"; "the streets are
            still slippy from the rain" [syn: {slippy}] [ant: {nonslippery}]
     2: not to be trusted; "how extraordinarily slippery a liar the
        camera is"- James Agee; "they called Reagan the teflon
        president because mud never stuck to him" [syn: {tricky},
        {teflon}]