move smoothly and effortlessly

a fastball that curves slightly away from the side from which it was thrown

the act of moving smoothly along a surface while remaining in contact with it

plaything consisting of a sloping chute down which children can slide

(geology) the descent of a large mass of earth or rocks or snow etc.

move forward or under in a sliding motion

slide without control

slide sideways through the air in a downward direction in an airplane along an inclined lateral axis