intransitive verb slipped, slipping
- to go quietly or secretly; move without attracting notice: to slip out of a room
- to go, move, pass, etc. smoothly, quickly, or easily
- to get (into or out of clothes) quickly
- to go imperceptibly; pass unmarked: time slipped by
- to pass gradually into or out of some condition, activity, habit, opinion, etc.: to slip off to sleep
- to escape or pass from a person's memory, mind, power, grasp, etc.: to let a chance slip by
- to move out of place by sliding; shift or slide from position: a napkin slipping from one's lap
- to slide accidentally on a slippery surface, lose footing, etc.
- to make a mistake; fall into error; err
- to become worse; lose strength, ability, mental keenness, etc.
- to decline slightly; fall off: a slipping market
- Aeron. sideslip
ME slippen < MLowG, akin to OHG slifan < IE *(s)leib-, to glide, slip < base *(s)lei-, slimy: see slide