slide

verb (past and past participle slid /slɪd/)

• move smoothly along a surface while maintaining continuous contact with it:she slid down the bank into the water (as adjective sliding)the tank should have a sliding glass cover
• [with object and adverbial of direction] move (something) smoothly along a surface:she slid the keys over the table
• move smoothly, quickly, or unobtrusively: [no object]:I quickly slid into a seat at the back of the hall [with object]:she slid the bottle into her pocket
• change gradually to a worse condition or lower level:the country faces the prospect of sliding from recession into slump

noun

• 1a structure with a smooth sloping surface for children to slide down: Anna played on the slide
• a smooth stretch or slope of ice or packed snow for sliding or tobogganing on.

• 2an act of sliding along a smooth surface:use an ice axe to halt a slide on ice and snow
• Baseball a sliding approach made to a base along the ground.
• [usually in combination or with noun modifier] (in skateboarding and snowboarding) a manoeuvre in which the board slides along an obstacle such as a rail or the edge of a ramp.

• 3a decline in value or quality:the current slide in house prices

• 4a part of a machine or instrument that slides.
• the place on a machine or instrument where a sliding part operates.
• [mass noun] slide guitar:I’d been playing slide for years

• 5a rectangular piece of glass on which an object is mounted or placed for examination under a microscope.
• a mounted transparency, especially one placed in a projector for viewing on a screen: [as modifier]:a slide show

• 6British a hairslide: her hair was held back with a tortoiseshell slide

• 7a sandal or light shoe without a back.