slithering

from WordNet (r) 3.0 (2006)

slithering
    adj 1: moving as on a slippery surface; "his slipping and
           slithering progress over the ice" [syn: {slipping},
           {slithering}]

from Moby Thesaurus II by Grady Ward, 1.0

49 Moby Thesaurus words for "slithering":
      amphibian, anguine, batrachian, coasting, colubriform, crawling,
      creeping, crocodilian, flow, flowing, froggy, glide, gliding,
      lizardlike, ophidian, repent, reptant, reptile, reptilelike,
      reptilian, reptiliform, reptiloid, sailing, saurian, serpentiform,
      serpentile, serpentine, serpentlike, serpentoid, skating, skiing,
      skim, sledding, slide, sliding, slipping, slither, snakelike,
      snaky, sweep, sweeping, toadish, tobogganing, viperiform, viperish,
      viperlike, viperoid, viperous, vipery