I. verb
1.
to go or progress with a smooth continuous motion
goldfish slid across the pool
Synonyms: glide, glissade, slick, slip, slither
Related Word: flow, stream
2.
Synonyms: slip 6, drop (off), fall (off or away), sag, slump
3.
to fall or nearly fall because of loss of balance or footing
stumbled and slid on the ice
Synonyms: skid, ||slidder, slip, ||slur
Idioms: take a slide ( or a skid)
4.
to shift or be shifted out of place or away from one's grasp
the packages slid from her arms
Synonyms: slip
Related Word: shift; move; fall, spill, tumble
5.
Synonyms: creep 1, crawl, snake
6.
to take a natural course
preferred to let the matter slide for a while
Synonyms: coast, drift
Related Word: glide
Idioms: run its course
7.
Synonyms: steal 3, creep, glide, mouse, slip
8.
Synonyms: sneak , creep, glide, lurk, shirk, skulk, slink, slip, ||snake, steal
II. noun
Synonyms: decline 3, dip, downslide, downswing, downtrend, downturn, drop, falloff, sag, slip