slipping
1. [ adjective ] moving as on a slippery surface
Synonyms: slithering
Examples:

"his slipping and slithering progress over the ice"

Related terms: slippery
Similar spelling:   sloping
  sleeping
  slopingly
  slip_in
  sloppiness
  slap-bang
  slip-on
  slip_on
  Slevin
  Slavin
  slap_on