THESAURUS
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