slippery
slippy
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
dithering
withering