slipping

from WordNet (r) 3.0 (2006)
slipping
    adj 1: moving as on a slippery surface; "his slipping and
           slithering progress over the ice" [syn: {slipping},
           {slithering}]
    
from The Collaborative International Dictionary of English v.0.48
Slip \Slip\, v. i. [imp. & p. p. {Slipped}; p. pr. & vb. n.
   {Slipping}.] [OE. slippen; akin to LG. & D. slippen, MHG.
   slipfen (cf. Dan. slippe, Sw. slippa, Icel. sleppa), and fr.
   OE. slipen, AS. sl[imac]pan (in comp.), akin to G. schleifen
   to slide, glide, drag, whet, OHG. sl[imac]fan to slide,
   glide, make smooth, Icel. sl[imac]pa to whet; cf. also AS.
   sl?pan, Goth. sliupan, OS. slopian, OHG. sliofan, G.
   schliefen, schl?pfen, which seem to come from a somewhat
   different root form. Cf. {Slope}, n.]
   1. To move along the surface of a thing without bounding,
      rolling, or stepping; to slide; to glide.
      [1913 Webster]

   2. To slide; to lose one's footing or one's hold; not to
      tread firmly; as, it is necessary to walk carefully lest
      the foot should slip.
      [1913 Webster]

   3. To move or fly (out of place); to shoot; -- often with
      out, off, etc.; as, a bone may slip out of its place.
      [1913 Webster]

   4. To depart, withdraw, enter, appear, intrude, or escape as
      if by sliding; to go or come in a quiet, furtive manner;
      as, some errors slipped into the work.
      [1913 Webster]

            Thus one tradesman slips away,
            To give his partner fairer play.      --Prior.
      [1913 Webster]

            Thrice the flitting shadow slipped away. --Dryden.
      [1913 Webster]

   5. To err; to fall into error or fault.
      [1913 Webster]

            There is one that slippeth in his speech, but not
            from his heart.                       --Ecclus. xix.
                                                  16.
      [1913 Webster]

   {To let slip}, to loose from the slip or noose, as a hound;
      to allow to escape.
      [1913 Webster]

            Cry, "Havoc," and let slip the dogs of war. --Shak.
      [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
63 Moby Thesaurus words for "slipping":
      bad, coming apart, cracking, crumbling, decadent, declining,
      degenerate, despaired of, deteriorating, disintegrating, done for,
      draining, drooping, dwindling, dying, ebbing, effete, expiring,
      facing death, fading, failing, falling, flagging, fragmenting,
      given up, going, going to pieces, gone to seed, hopeless,
      in articulo mortis, in extremis, incapable of life, languishing,
      low, marcescent, moribund, near death, nonviable, on the downgrade,
      out of condition, out of shape, out of training, pining,
      regressive, retrograde, retrogressive, run to seed, rusty,
      shriveling, sinking, sliding, slipping away, slumping, soft, stiff,
      subsiding, tabetic, terminal, waning, wasting, wilting, withering,
      worsening

    

[email protected]