(slightly informal) Slippery. / (U.K, dated) Spry, nimble.

The act of slipping, especially from a secure location. / The amount by which something has slipped. / A lessening of performance or achievement.

The low-pressure zone immediately following a rapidly moving object, caused by turbulence. / (figuratively, by extension) A generated advantage which makes forward movement easier.

To take advantage of the suction produced by a slipstream by travelling immediately behind the slipstream generator.

A mushroom in genus Suillus, family Boletaceae, especially Suillus luteus; boletes, they have no gills, but release spores from tubes ending in open pores.

(uncountable) The property of being slippery. / (countable) The result or product of being slippery.

(nautical) A sloping surface, leading down to the shore or to a river, on which ships are built, repaired or stored and from which they are launched. / A slip road.

Alternative spelling of slip knot

plural of slipknot

plural of slipcase